Michael S. Engel

Michael S. Engel (born 1971), U.S. invertebrate paleontologist and entomologist.

• Professor, University of Kansas, Lawrence, Kansas, USA
• Senior Curator, University of Kansas Natural History Museum, Lawrence, Kansas, USA
• Research Associate, American Museum of Natural History, New York, New York, USA

Taxon names authored

(List may be incomplete)

• 125 taxon names authored by Michael S. Engel

Publications

(List may be incomplete)

1993

• Smith, D. R., & Engel, M. S. 1993. Population genetics of a cooperative spider, Stegodyphus sarasinorum Karsch (Araneae: Eresidae). American Arachnology 48: 6.

1994

• Smith, D. R., & Engel, M. S. 1994. Population structure in an Indian cooperative spider, Stegodyphus sarasinorum Karsch (Eresidae). Journal of Arachnology 22(2): 108–113.

1995

• Engel, M. S. 1995a [1996]. Three new species of Caenaugochlora (Ctenaugochlora) (Hymenoptera: Halictidae). Journal of the New York Entomological Society 103(3): 281–286.
• Engel, M. S. 1995b [1996]. The bee genus Rhectomia (Hymenoptera: Halictidae): Discovery of the male and two new species. Journal of the New York Entomological Society 103(3): 302–310.
• Engel, M. S. 1995c [1996]. Neocorynura electra, a new fossil bee species from Dominican amber (Hymenoptera: Halictidae). Journal of the New York Entomological Society 103(3): 317–323.

1996

• Engel, M. S. 1996a [1997]. New augochlorine bees (Hymenoptera: Halictidae) in Dominican amber, with a brief review of fossil Halictidae. Journal of the Kansas Entomological Society Supplement 69(4): 334–345.

1997

• Engel, M. S. 1997a. A new fossil bee from the Oligo-Miocene Dominican amber (Hymenoptera: Halictidae). Apidologie 28: 97–102.
• Engel, M.S. 1997. Ischnomelissa, a new genus of augochlorine bees (Halictidae) from Colombia. Studies on Neotropical Fauna and Environment 32(1): 41–46. DOI: 10.1076/snfe.32.1.41.13461 Reference page. 
• Engel, M.S., Brooks, R.W. & Yanega, D. 1997. New genera and subgenera of augochlorine bees (Hymenoptera: Halictidae). Scientific Papers (Natural History Museum, The University of Kansas) 5: 1–21. DOI: 10.5962/bhl.title.4042 Reference page. 

1998

• Brooks, R.W. & Engel, M.S. 1998. New bees of the genus Ischnomelissa Engel, with a key to the species (Hymenoptera, Halictidae, Augochlorini). Deutsche Entomologische Zeitschrift 45(2): 181–189. DOI: 10.1002/mmnd.19980450207 Reference page. 
• Engel, M. S. 1998a. A new species of the Baltic amber bee genus Electrapis (Hymenoptera: Apidae). Journal of Hymenoptera Research 7: 94–101.
• Engel, M. S. 1998b. Phylogeny, classification and evolutionary ethology of the bee tribe Augochlorini (Hymenoptera: Halictidae). Ph.D. Dissertation, Cornell University, Ithaca, New York.
• Engel, M. S. 1998c. Fossil honey bees and evolution in the genus Apis (Hymenoptera: Apidae). Apidologie 29: 265–281.
• Engel, M. S. 1998d. Comparative morphology and the phylogeny of the corbiculate bees (Hymenoptera: Apidae; Apinae). Proceedings of the 13th International Congress IUSSI, Adelaide 1998: 151.

1999

• Engel, M. S. 1999a. Apis poava Menge, 1856 (currently Electrapis proava; Insecta, Hymenoptera): Proposed conservation by designation of a neotype. Bulletin of Zoological Nomenclature 56: 134–135.
• Engel, M. S. 1999b. The first fossil Euglossa and phylogeny of the orchid bees (Hymenoptera: Apidae: Euglossini). American Museum Novitates 3272: 1–14.
• Engel, M.S. 1999. The taxonomy of recent and fossil honeybees (Hymenoptera: Apidae; Apis). Journal of Hymenoptera Research 8(2): 165–196. BHL Reference page. 
• Engel, M. S. 1999d. Megachile glaesaria, the first megachilid bee fossil from amber (Hymenoptera: Megachilidae). American Museum Novitates 3276: 1–13.
• Engel, M. S. 1999e. Augochlorini Beebe, 1925 (Insecta Hymenoptera): Corrected authorship and date (not Moure, 1943). Bulletin of Zoological Nomenclature 56: 198.
• Engel, M. S. 1999f. Case 3054: Augochlorini Moure, 1943 (Insecta, Hymenoptera): Proposed precedence over Oxystoglossini Schrottky, 1909. Bulletin of Zoological Nomenclature 56(1): 19–22.
• Engel, M. S. 1999g. A new species of the bee genus Neocorynura from the Andes of Ecuador (Hym. Halictidae, Augochlorini). Spixiana 22(2): 173–178.
• Engel, M. S. 1999h. A new xeromelissine bee in Tertiary amber of the Dominican Republic (Hymenoptera: Colletidae). Entomol. Scand. 30: 453–458.

2000

• Engel, M. S. 2000a. Classification of the bee tribe Augochlorini (Hymenoptera: Halictidae). Bulletin of the American Museum of Natural History 250: 1–90.
• Engel, M. S. 2000b. A new interpretation of the oldest fossil bee (Hymenoptera: Apidae). PDF 189 Kb. American Museum Novitates 3296: 1–11.
• Engel, M. S. 2000c. A revision of the panurgine bee genus Arhysosage (Hymenoptera: Andrenidae). Journal of Hymenoptera Research 9(1): 182–208.
• Engel, M. S. 2000d. A review of the Indo-Malayan meliponine genus Lisotrigona, with two new species (Hymenoptera: Apidae). Oriental Insects 34: 229–237.
• Engel, M. S. 2000e. Fossils and phylogeny: A paleontological perspective on social bee evolution pp. 217–224. In Bitondi, M.M.G., and K. Hartfelder (eds.), Anais do IV Encontro sobre Abelhas. Universidade de São Paulo; Ribeirao Preto, Brazil.
• Engel, M. S. 2000f. A new Lasioglossum from the Juan Fernandez Islands (Hymenoptera: Halictidae). Revista Chilena Entomologia 27: 5–10.
• Engel, M.S. 2000. A new Zorotypus from Peru, with notes on related Neotropical species (Zoraptera: Zorotypidae). Journal of the Kansas Entomological Society 73(1): 11–20. JSTOR .
• Engel, M.S. & Grimaldi, D.A. 2000. A winged Zorotypus in Miocene amber from the Dominican Republic (Zoraptera: Zorotypidae), with discussion on relationships of and within the order. Acta Geologica Hispanica 35: 149–164. Online (raco.cat), Online (revistes.ub.edu). Reference page. 

2001

• Engel, M.S. 2001. A monograph of the Baltic amber bees and evolution of the Apoidea (Hymenoptera). Bulletin of the American Museum of Natural History 259: 1–192. DOI: 10.1206/0003-0090(2001)259<0001:AMOTBA>2.0.CO;2 Reference page. 
• Engel, M. S. 2001b. Three new Habralictellus bee species from the Caribbean (Hymenoptera: Halictidae). Solenodon 1: 33–37.
• Engel, M. S. 2001c. The first large carpenter bee from the Tertiary of North America, with a consideration of the geological history of Xylocopinae (Hymenoptera: Apidae). Transactions of the American Entomological Society 127(2): 245–254.
• Engel, M. S. 2001d. The honey bees of Thailand (Hymenoptera: Apidae). Natural History Bulletin of the Siam Society 49(1): 113–116.
• Engel, M. S. 2001e. Monophyly and extensive extinction of advanced eusocial bees: Insights from an unexpected Eocene diversity. PDF 396 Kb. Proceedings of the National Academy of Sciences, U.S.A. 98(4): 1661–1664.

2002

• Engel, M. S. 2002a. Halictine bees from the Eocene-Oligocene boundary of Florissant, Colorado (Hymenoptera: Halictidae). Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 225(2): 251–273.
• Engel, M. S. 2002b. Phylogeny of the bee tribe Fideliini, with the description of a new genus from southern Africa (Hymenoptera: Megachilidae). African Entomology 10(2): 305–313.
• Engel, M. S. 2002c. The honey bees of India, Hymenoptera: Apidae. Journal of the Bombay Natural History Society 99(1): 3–7.
• Engel, M.S. & Brooks, R.W. 2002. A new bee of the genus Ischnomelissa, with a key to the known species (Hymenoptera: Halictidae). Entomological News 113(1): 1–5. BHL. Reference page. 
• Engel, M.S. & Grimaldi, D.A. 2002. The first Mesozoic Zoraptera (Insecta). American Museum Novitates 3362: 1–20. DOI: 10.1206/0003-0082(2002)362<0001:TFMZI>2.0.CO;2 . hdl: 2246/2915 . Reference page. 
• Grimaldi, D.A., Engel, M.S. & Nascimbene, P.C. 2002. Fossiliferous Cretaceous Amber from Myanmar (Burma): Its Rediscovery, Biotic Diversity, and Paleontological Significance. American Museum Novitates 3361: 1–72. DOI: 10.1206/0003-0082(2002)361<0001:FCAFMB>2.0.CO;2 . hdl: 2246/2914 . Reference page. 

2003

• Engel, M. S. 2003a. A replacement name in Apis (Hymenoptera: Apidae). Journal of the Kansas Entomological Society 76(1): 71.
• Engel, M. S. 2003b. A new species of the bee genus Chlerogella from Panama (Hymenoptera: Halictidae). Zootaxa 286: 1–4.
• Engel, M.S. 2003. The earwigs of Kansas, with a key to genera north of Mexico (Insecta: Dermaptera). Transactions of the Kansas Academy of Science 106(3): 115–123. DOI: 10.1660/0022-8443(2003)106[0115:TEOKWA]2.0.CO;2 . JSTOR .
• Engel, M.S. 2003: A new Eocene-Oligocene snakefly from Florissant, Colorado (Raphidioptera: Raphidiidae). Transactions of the Kansas Academy of Science 106(3-4): 124–128. DOI: 10.1660/0022-8443(2003)106[0124:ANESFF]2.0.CO;2 Reference page. 
• Engel, M.S. 2003. Phylogeny of the Zoraptera. In: Klass, K.D. (ed.) Proceedings of the 1st Dresden Meeting on Insect Phylogeny: “Phylogenetic Relationships within the Insect Orders” (Dresden, September 19–21, 2003). Entomologische Abhandlungen 61(2): 147–148. PDF.

2004

• Engel, M.S. & Grimaldi, D.A. 2004. A new rock crawler in Baltic amber, with comments on the order (Mantophasmatodea: Mantophasmatidae). American Museum Novitates 3431: 1–11. DOI: 10.1206/0003-0082(2004)431<0001:ANRCIB>2.0.CO;2 . hdl: 2246/2796 . BHL. Reference page. 
• Engel, M.S., & Grimaldi, D.A. 2004. New light shed on the oldest insect. Nature 427(6975): 627–630.
• Engel, M.S., Michener, C.D. & Rightmyer, M.G. 2004. A replacement name for the cleptoparasitic bee genus Rhathymodes (Hymenoptera: Apidae). Journal of Hymenoptera Research 13(2): 316. BHL. Reference page. 

2005

• Engel, M.S. & Grimaldi, D.A. 2005. Primitive new ants in Cretaceous amber from Myanmar, New Jersey, and Canada (Hymenoptera: Formicidae). American Museum Novitates 3485: 1–24. DOI: 10.1206/0003-0082(2005)485[0001:PNAICA]2.0.CO;2 . hdl: 2246/5676 . Reference page. 
• Engel, M. S. 2005. Three replacement names in the bee genus Andrena (Hymenoptera: Andrenidae). Journal of Kansas Entomological Society 78(2): 173.
• Engel, M.S. 2005. Family-group names for bees (Hymenoptera: Apoidea). American Museum Novitates 3476: 1–33. DOI: 10.1206/0003-0082(2005)476[0001:FNFBHA]2.0.CO;2 . hdl: 2246/2786 . Reference page. 
• Grimaldi, D. & Engel, M.S. 2005. Evolution of the Insects. Cambridge University Press, New York, USA. ISBN 978-0-521-82149-0. limited preview on Google Books. Reference page. 
• Lubkin, S.H. & Engel, M.S. 2005. Permocoleus, new genus, the first Permian beetle (Coleoptera) from North America. Annals of the Entomological Society of America 98(1): 73–76. DOI: 10.1603/0013-8746(2005)098[0073:PNGTFP]2.0.CO;2 . Reference page. 
• Smith-Pardo, A.H. & Engel, M.S. 2005. The bee genus Micrommation (Hymenoptera: Halictidae). A new diagnosis and description of the male. Folia Heyrovskyana 12(4): 179–189. Full article on ResearchGate Reference page. 

2006

• Arillo, A. & Engel, M.S. 2006. Rock crawlers in Baltic amber (Notoptera: Mantophasmatodea). American Museum Novitates 3539: 1–10. DOI: 10.1206/0003-0082(2006)3539[1:RCIBAN]2.0.CO;2 . hdl: 2246/5817 . BHL. Reference page. 
• Baker, D.B. & Engel, M.S. 2006. A new subgenus of Megachile from Borneo with arolia (Hymenoptera: Megachilidae). American Museum Novitates 3505: 1–12. DOI: 10.1206/0003-0082(2006)505[0001:ANSOMF]2.0.CO;2 . BHL. Reference page. 
• Engel, M.S. 2006. A note on the relic silverfish Tricholepidion gertschi (Zygentoma). Transactions of the Kansas Academy of Science 109(3/4): 236–238. DOI: 10.1660/0022-8443(2006)109[236:ANOTRS]2.0.CO;2 . JSTOR .
• Rafael, J.A. & Engel, M.S. 2006. A new species of Zorotypus from central Amazonia, Brazil (Zoraptera: Zorotypidae). American Museum Novitates 3528: 1–11. DOI: 10.1206/0003-0082(2006)3528[1:ANSOZF]2.0.CO;2 . hdl: 2246/5806 . Reference page. 

2007

• Davis, S.R. & Engel, M.S. 2007. A new ambrosia beetle in Miocene amber of the Dominican Republic (Coleoptera: Curculionidae: Platypodinae). Alavesia 1: 121–124. Reference page. 
• Engel, M.S. & Grimaldi, D.A. 2007. The neuropterid fauna of Dominican and Mexican amber (Neuropterida, Megaloptera, Neuroptera). American Museum Novitates 3587: 1–58. DOI: 10.1206/0003-0082(2007)3587[1:TNFODA]2.0.CO;2 . hdl: 2246/5880 . Reference page. 
• Engel, M.S. & Haas, F. 2007. Family-Group Names for Earwigs (Dermaptera). American Museum Novitates 3567: 1–20. DOI: 10.1206/0003-0082(2007)539[1:FNFED]2.0.CO;2 . hdl: 2246/5858 . BHL. Reference page. 
• Engel, M.S., Hinojosa-Díaz, I.A. & Yáñez-Ordóñez, O. 2007. The Augochlora-like dialictus from Guatemala and Southern México (Hymenoptera: Halictidae). Acta Zoológica Mexicana 23(3): 125–135. DOI: 10.21829/azm.2007.233596 . Reference page. 
• Lo, N., Engel, M.S., Cameron, S., Nalepa, C.A., Tokuda, G., Grimaldi, D., Kitade, O., Krishna, K., Klass, K.-D., Maekawa, K., Miura, T. & Thompson, G.J. 2007. Save Isoptera: a comment on Inward et al. Biology Letters 3(5): 562–563. DOI: 10.1098/rsbl.2007.0264 . Reference page. 

2008

• Beckemeyer, R.J. & Engel, M.S. 2008. A second specimen of Permocoleus (Coleoptera) from the Lower Permian Wellington formation of Noble County, Oklahoma. Journal of the Kansas Entomological Society 81: 4–7. DOI: 10.2317/JKES-708.01.1 . PDF. Reference page. 
• Engel, M.S. 2008. A new species of Megachile (Eutricharaea) from western Saudi Arabia related to Megachile walkeri (Hymenoptera: Megachilidae). Acta Entomologica Slovenica 16(2): 151–156. PDF. Reference page. 
• Engel, M.S. 2008. A new apterous Zorotypus in Miocene amber from the Dominican Republic (Zoraptera: Zorotypidae). Acta Entomologica Slovenica 16(2): 127–136. PDF. Reference page. 
• Engel, M.S. 2008. A stem-group cimicid in mid-Cretaceous amber from Myanmar (Hemiptera: Cimicoidea). Alavesia 2: 233–237. PDF.
• Engel, M.S. & Grimaldi, D.A. 2008. A jugular-horned beetle in Cretaceous amber from Myanmar (Coleoptera: Prostomidae). Alavesia 2: 215–218. PDF.
• Engel, M.S. & Ortega-Blanco, J. 2008. The fossil crown wasp Electrostephanus petiolatus Brues in Baltic Amber (Hymenoptera, Stephanidae): designation of a neotype, revised classification, and a key to amber Stephanidae. ZooKeys 4: 55–64. DOI: 10.3897/zookeys.4.49 . Reference page. 
• Rafael, J.A., Godoi, F.S.P. & Engel, M.S. 2008. A new species of Zorotypus from eastern Amazonia, Brazil (Zoraptera: Zorotypidae). Transactions of the Kansas Academy of Science 111(1–4): 193–202. DOI: 10.1660/0022-8443-111.3.193 . Reference page. 

2009

• Chaboo, C. & Engel, M.S. 2009. Eocene tortoise beetles from the Green River Formation in Colorado, U.S.A. (Coleoptera: Chrysomelidae: Cassidinae). Systematic Entomology 34(2): 202–209. DOI: 10.1111/j.1365-3113.2008.00456.x .
• Engel, M.S. 2009: A new species of the bee genus Caenaugochlora from Honduras (Hymenoptera: Halictidae). Transactions of the Kansas Academy of Science 112(3-4): 159–163. DOI: 10.1660/062.112.0401 Reference page. 
• Engel, M.S. 2009. Revision of the bee genus Chlerogella (Hymenoptera, Halictidae), Part I: Central American species. ZooKeys 23: 47–75. DOI: 10.3897/zookeys.23.248. Reference page. 
• Engel, M.S. 2009. A new Lower Permian bristletail from the Wellington Formation in Kansas (Archaeognatha: Dasyleptidae). Transactions of the Kansas Academy of Science 112(1/2): 40–44. DOI: 10.1660/062.112.0206 [nonfunctional] . Abstract. Reference page. 
• Engel, M.S. & Chatzimanolis, S. 2009. An oxyteline rove beetle in Dominican amber with possible African affinities (Coleoptera: Staphylinidae: Oxytelinae). Annals of the Carnegie Museum 77(4): 425–429.
• Engel, M.S. & Grimaldi, D.A. 2009. Diversity and phylogeny of the Mesozoic wasp family Stigmaphronidae (Hymenoptera: Ceraphronoidea). Denisia 26: 53–68. Full article (PDF) Reference page. 

2010

• Engel, M.S. 2010. A new species of the bee genus Chiasmognathus from southwestern Niger (Hymenoptera: Apidae). Acta Entomologica Musei Nationalis Pragae 50(1): 273–278. PDF. Reference page. 
• Engel, M.S. 2010: Revision of the bee genus Chlerogella (Hymenoptera, Halictidae), Part II: South American species and generic diagnosis. ZooKeys 47: 1–100. DOI: 10.3897/zookeys.47.416 Reference page. 
• Engel, M.S. 2010: A primitive anobiid beetle in mid-Cretaceous amber from Myanmar (Coleoptera: Anobiidae). Alavesia 3: 31-34. Reference page. 
• Engel, M.S. & Gonçalves, R.B. 2010. A revised key to the species of Caenaugochlora (Ctenaugochlora), with the description of a new species from Costa Rica (Hymenoptera: Apoidea: Augochlorini). Genus 21(1): 101–110. Full article (PDF) Reference page. 
• Falin, Z.H. & Engel, M.S. 2010. Notes on Cretaceous Ripidiini and revised diagnoses of the Ripidiinae, Ripidiini, and Eorhipidiini (Coleoptera: Ripiphoridae). Alavesia 3: 35–42. Reference page. 
• Gonçalves, R.B. & Engel, M.S. 2010. The bee genus Caenaugochlora (Hymenoptera, Apoidea) and its constituent subgenera, with new species of Caenaugochlora s.str. from Ecuador. ZooKeys 37: 69–80. DOI: 10.3897/zookeys.37.366 . Reference page. 
• Chatzimanolis, S., Engel, M.S., Newton, A.F. & Grimaldi, D.A. 2010. New ant-like stone beetles in mid-Cretaceous amber from Myanmar (Coleoptera: Staphylinidae: Scydmaeninae). Cretaceous Research 31(1): 77–84. DOI: 10.1016/j.cretres.2009.09.009 . Reference page. 
• Liu, Z. & Engel, M.S. 2010. Baltic amber Ibaliidae (Hymenoptera: Cynipoidea): a new genus with implications for the phylogeny and historical biogeography of the family. Systematic Entomology 35(1): 164–171. DOI: 10.1111/j.1365-3113.2009.00494.x Reference page. 

2011

• Azar, D., Nel, A., Engel, M.S., Garrouste, R. & Matocq, A. 2011. A new family of Coreoidea from the Lower Cretaceous Lebanese Amber (Hemiptera: Pentatomomorpha). Polish Journal of Entomology 80(4): 627–644. DOI: 10.2478/v10200-011-0049-5 Reference page. 
• Engel, M.S. 2011: A new species of Microsphecodes from Jamaica (Hymenoptera, Halictidae). ZooKeys 111: 33–40. DOI: 10.3897/zookeys.111.1597 Reference page. 
• Engel, M.S. 2011. New earwigs in mid-Cretaceous amber from Myanmar (Dermaptera, Neodermaptera). ZooKeys 130: 137–152. DOI: 10.3897/zookeys.130.1293 . Reference page. 
• Engel, M.S. & Gonzalez, V.H. 2011. Alocanthedon, a new subgenus of Chalicodoma from Southeast Asia (Hymenoptera, Megachilidae). ZooKeys 101: 51–80. DOI: 10.3897/zookeys.101.1182 . Reference page. 
• Engel, M.S., Grimaldi, D.A., Singh, H. & Nascimbene, P.C. 2011. Webspinners in Early Eocene amber from western India (Insecta, Embiodea). ZooKeys 148: 197–208. DOI: 10.3897/zookeys.148.1712 . Reference page. 
• Gonzalez, V.H. & Engel, M.S. 2011. Andinopanurgus, a new Andean subgenus of Protandrena (Hymenoptera, Andrenidae). ZooKeys 126: 57–76. DOI: 10.3897/zookeys.126.1676 . Reference page. 
• Hinojosa-Díaz, I.A. & Engel, M.S. 2011. Revision of the orchid bee subgenus Euglossella (Hymenoptera, Apidae), Part I, The decorata species group. ZooKeys 140: 27–69. DOI: 10.3897/zookeys.140.1923 . Reference page. 
• Hinojosa-Díaz, I.A. & Engel, M.S. 2011: Euglossa williamsi, a new species of orchid bee from the Amazon Basin of Ecuador and Peru, with notes on its taxonomic association and biogeography (Hymenoptera, Apidae). ZooKeys 159: 49-63. DOI: 10.3897/zookeys.159.2239 . Reference page. 
• Batelka, J., Engel, M.S., Falin, Z.H. & Prokop, J. 2011. Two new ripidiine species in Dominican amber with evidence of aggregative behaviour of males "frozen" in the fossil record (Coleoptera: Ripiphoridae). European Journal of Entomology 108(2): 275–286. DOI: 10.14411/eje.2011.037 Reference page. 
• Chatzimanolis, S. & Engel, M.S. 2011. A new species of Diochus from Baltic amber (Coleoptera, Staphylinidae, Diochini). ZooKeys 138: 65–73. DOI: 10.3897/zookeys.138.1896 . Reference page. 
• Engel, M.S. 2011: Systematic melittology: where to from here? Systematic entomology, 36(1): 2–15. DOI: 10.1111/j.1365-3113.2010.00544.x
• Perrichot, V., Ortega-Blanco, J., McKellar, R.C., Delclòs, X., Azar, D., Nel, A., Tafforeau, P. & Engel, M.S. 2011. New and revised maimetshid wasps from Cretaceous ambers (Hymenoptera, Maimetshidae). ZooKeys 130: 421–453. DOI: 10.3897/zookeys.130.1453 . Reference page. 

2012

• Alqarni, A.S., Hannan, M.A. & Engel, M.S. 2012. A new wild, pollinating bee species of the genus Tetraloniella from the Arabian Peninsula (Hymenoptera, Apidae). ZooKeys 172: 89–96. DOI: 10.3897/zookeys.172.2648 . Reference page. 
• Alqarni, A.S., Hannan, M.A., Gonzalez, V.H. & Engel, M.S. 2012. A new species of Chalicodoma from Saudi Arabia with modified facial setae (Hymenoptera, Megachilidae). ZooKeys 204: 71–83. DOI: 10.3897/zookeys.204.3228 . Reference page. 
• Ascher, J.S. & Engel, M.S. 2012. Discovery of the bee genus Perdita in the West Indies (Hymenoptera: Andrenidae): a new species from Isla Cabritos in the Dominican Republic. Acta Entomologica Musei Nationalis Pragae 52(2): 595–602. PDF Reference page. 
• Chatzimanolis, S., Cashion, M.E., Engel, M.S. & Falin, Z.H. 2012. A new genus of Ptilodactylidae (Coleoptera: Byrrhoidea) in mid-Cretaceous amber from Myanmar. Geodiversitas 34(3): 569–574. DOI: 10.5252/g2012n3a6 . Reference page. 
• Chatzimanolis, S., Grimaldi, D.A., Engel, M.S. & Fraser, N.C. 2012. Leehermania prorova, the earliest staphyliniform beetle, from the Late Triassic of Virginia (Coleoptera: Staphylinidae). American Museum Novitates 3761: 1–28. DOI: 10.1206/3761.2 . hdl: 2246/6393 . Reference page. 
• Engel, M.S. 2012. On the classification of the bee genus Manuelia (Hymenoptera: Apidae). Acta Entomologica Slovenica 20(1): 65–72. Reference page. 
• Engel, M.S. & Michener, C.D. 2012. The melectine bee genera Brachymelecta and Sinomelecta (Hymenoptera, Apidae). ZooKeys 244: 1–19. DOI: 10.3897/zookeys.244.3979 Reference page. 
• Engel, M.S. & Smith-Pardo, A.H. 2012. Bolivian Neocorynura (Hymenoptera: Halictidae): a new species and preliminary key to the fauna. Tijdschrift voor Entomologie 155(1): 3–8. DOI: 10.1163/004074912X631733 . Reference page. 
• Garrouste, R., Clément, G., Nel, P., Engel, M.S., Grandcolas, P., D'Haese, C., Lagebro, L., Denayer, J., Gueriau, P., Lafaite, P., Olive, S., Prestianni, C. & Nel, A. 2012. A complete insect from the Late Devonian period. Nature 488: 82–85. DOI: 10.1038/nature11281 . ResearchGate . Reference page. 
• Gonzalez, V.H. & Engel, M.S. 2012. A new species of Geotrigona Moure from the Caribbean coast of Colombia (Hymenoptera, Apidae). ZooKeys 172: 77–87. DOI: 10.3897/zookeys.172.2735 . Reference page. 
• Hinojosa-Díaz, I.A., Nemésio, A. & Engel, M.S. 2012. Two new species of Euglossa from South America, with notes on their taxonomic affinities (Hymenoptera, Apidae). ZooKeys 221: 63–79. DOI: 10.3897/zookeys.221.3659 . Reference page. 
• Huang, D.-Y., Engel, M.S., Cai, C.-Y., Wu, H. & Nel, A. 2012. Diverse transitional giant fleas from the Mesozoic era of China. Nature 483: 201–204. DOI: 10.1038/nature10839 Reference page. 
• Nemésio, A. & Engel, M.S. 2012. Three new cryptic species of Euglossa from Brazil (Hymenoptera, Apidae). ZooKeys 222: 47–68. DOI: 10.3897/zookeys.222.3382 Reference page. 
• Ortega-Blanco, J., Singh, H. & Engel, M.S. 2012. First amber fossil Rhysipolini (Hymenoptera: Braconidae): a new genus and species in Early Eocene Cambay amber. Acta Entomologica Musei Nationalis Pragae 52(2): 585–594. PDF Reference page. 
• Pérez-de la Fuente, R., Peñalver, E., Delclòs, X. & Engel, M.S. 2012. Snakefly diversity in Early Cretaceous amber from Spain (Neuropterida, Raphidioptera). ZooKeys 204: 1–40. DOI: 10.3897/zookeys.204.2740 . Reference page. 
• Straka, J. & Engel, M.S. 2012. The apid cuckoo bees of the Cape Verde Islands (Hymenoptera, Apidae). ZooKeys 218: 77–109. DOI: 10.3897/zookeys.218.3683 . Reference page. 
• Wappler, T., Meulemeester, T. de, Aytekin, A.M., Michez, D. & Engel, M.S. 2012. Geometric morphometric analysis of a new Miocene bumble bee from the Randeck Maar of southwestern Germany (Hymenoptera: Apidae). Systematic Entomology 37(4): 784–792. DOI: 10.1111/j.1365-3113.2012.00642.x Reference page. 

2013

• Aguiar, A.P., Deans, A.R., Engel, M.S., Forshage, M., Huber, J.T., Jennings, J.T., Johnson, N.F., Lelej, A.S., Longino, J.T., Lohrmann, V., Mikó, I., Ohl, M., Rasmussen, C., Taeger, A. & Yu, D.S.K. 2013. Order Hymenoptera. In: Zhang, Z.-Q. (ed.) 2013. Animal biodiversity: an outline of higher-level classification and survey of taxonomic richness (Addenda 2013). Zootaxa 3703(1): 51–62. DOI: 10.11646/zootaxa.3703.1.12 Reference page. 
• Chatzimanolis, S. & Engel, M.S. 2013. The fauna of Staphylininae in Dominican amber (Coleoptera: Staphylinidae). Annals of Carnegie Museum 81(4): 281–294. DOI: 10.2992/007.081.0401 Reference page. 
• Engel, M.S. 2013. Revision of the cleptoparasitic bee genus Cleptommation (Hymenoptera: Halictidae). Journal of Melittology 22: 1–26. DOI: 10.17161/jom.v0i22.4608 . Reference page. 
• Engel, M.S. 2013. The bee genus Ischnomelissa in Peru, with a key to the species (Hymenoptera: Halictidae). Journal of Melittology 23: 1–5. DOI: 10.17161/jom.v0i23.4641 . Reference page. 
• Engel, M.S. 2013. A new species of Microsphecodes from Peru, with notes on the classification of the genus (Hymenoptera: Halictidae). Journal of Melittology 24: 1–9. DOI: 10.17161/jom.v0i24.4642 . Reference page. 
• Engel, M.S., McKellar, R.C. & Huber, J.T. 2013. A fossil species of the primitive mymarid genus Borneomymar (Hymenoptera: Mymaridae) in Eocene Baltic amber. Novitates Paleoentomologicae 5: 1–8. DOI: 10.17161/np.v0i5.4651 . Reference page. 
• Engel, M.S. & Michener, C.D. 2013. A minute stingless bee in Eocene Fushan amber from northeastern China (Hymenoptera: Apidae). Journal of Melittology 14: 1–10. DOI: 10.17161/jom.v0i14.4560 . Reference page. 
• Engel, M.S., Ortega-Blanco, J. & McKellar, R.C. 2013. New scolebythid wasps in Cretaceous amber from Spain and Canada, with implications for the phylogeny of the family (Hymenoptera: Scolebythidae). Cretaceous Research 46: 31–42. DOI: 10.1016/j.cretres.2013.09.003 . Reference page. 
• Engel, M.S. & Packer, L. 2013. A new species of Chiasmognathus from Kazakhstan (Hymenoptera: Apidae). Journal of Melittology 10: 1–7. DOI: 10.17161/jom.v0i10.4513 . Reference page. 
• Garrouste, R., Clément, G., Nel, P., Engel, M.S., Grandcolas, P., D'Haese, C., Lagebro, L., Denayer, J., Gueriau, P., Lafaite, P., Olive, S., Prestianni, C. & Nel, A. 2013. Garrouste et al. reply. Nature 494(7437): E4–E5. DOI: doi:10.1038/nature11888 . Reference page. 
• Gonzalez, V.H., Engel, M.S. & Griswold, T.L. 2013. The lithurgine bees of Australia (Hymenoptera: Megachilidae), with a note on Megachile rotundipennis. Journal of Melittology 11: 1–19. DOI: 10.17161/jom.v0i11.4520 . Reference page. 
• Huang, D.Y., Engel, M.S., Cai, C.Y. & Nel, A. 2013. Mesozoic giant fleas from northeastern China (Siphonaptera): Taxonomy and implications for palaeodiversity. Chinese Science Bulletin 58(14): 1682–1690. DOI: 10.1007/s11434-013-5769-3 . Reference page. 
• Krishna, K., Grimaldi, D.A. Krishna, V. & Engel, M.S. 2013. Treatise on the Isoptera of the world. Bulletin of the American Museum of Natural History 377: 1–2704. hdl: 2246/6430 Reference page. 
• Mashimo, Y., Yoshizawa, K., Engel, M.S., Idris, A.G., Dallai, R., Beutel, R.G. & Machida, R. 2013. Zorotypus in Peninsular Malaysia (Zoraptera: Zorotypidae), with the description of three new species. Zootaxa 3717(4): 498–514. DOI: 10.11646/zootaxa.3717.4.4 Reference page. 
• Nel, A., Roques, P., Nel, P., Prokin, A.A., Bourgoin, T., Prokop, J., Szwedo, J., Azar, D., Desutter-Grandcolas, L., Wappler, T., Garrouste, R., Coty, D., Huang, D.-Y., Engel, M. & Kirejtshuk, A.G. 2013. The earliest-known holometabolous insects. Nature 503: 257–261. [14 p. Supplementary material.] DOI: 10.1038/nature12629 . Reference page. 
• Ortega-Blanco, J., Chatzimanolis, S., Singh, H. & Engel, M.S. 2013. The oldest fossil of the subfamily Osoriinae (Coleoptera: Staphylinidae), from Eocene Cambay amber (India). The Coleopterists Bulletin 67(3): 304–308. Reference page. 
• Ross, A.J. & Engel, M.S. 2013. The first diplatyid earwig in Tertiary amber (Dermaptera: Diplatyidae): A new species from Miocene Mexican amber. Insect Systematics & Evolution 44(2): 157–166. DOI: 10.1163/1876312X-44032096 [abstract only seen] Reference page. 

2014

• Alqarni, A.S., Hannan, M.A. & Engel, M.S. 2014. A new species of the cleptoparasitic bee genus Thyreus from northern Yemen and southwestern Saudi Arabia (Hymenoptera, Apidae). ZooKeys 428: 29–40. DOI: 10.3897/zookeys.428.7821 . Reference page. 
• Ayala, R. & Engel, M.S. 2014. A new species of Ptiloglossa from Mexico, with new records of Ptiloglossa cyaniventris from Panama and Costa Rica (Hymenoptera: Colletidae). Journal of Melittology 35: 1–13. DOI: 10.17161/jom.v0i35.4759 . Reference page. 
• Ayala, R. & Engel, M.S. 2014. A new stingless bee species of the genus Nogueirapis from Costa Rica (Hymenoptera: Apidae). Journal of Melittology 37: 1–9. DOI: 10.17161/jom.v0i37.4775 . Reference page. 
• Cai, C.-Y., Thayer, M.K., Engel, M.S., Newton, A.F., Ortega-Blanco, J., Wang, B,, Wang, X.-D. & Huang, D.-Y. 2014. Early origin of parental care in Mesozoic carrion beetles. PNAS 111(39): 14170–14174. DOI: 10.1073/pnas.1412280111 Reference page. 
• Coelho, B.W.T., Felizardo, S.P. de S. & Engel, M.S. 2014. Three new species of the bee genus Ruizantheda sensu lato (Hymenoptera: Halictidae: Caenohalictina). Zootaxa 3889(1): 58–70. DOI: 10.11646/zootaxa.3889.1.3 Reference page. 
• Davis, S.R. & Engel, M.S. 2014. A new genus of nemonychid weevil from Burmese amber (Coleoptera, Curculionoidea). ZooKeys 405: 127–138. DOI: 10.3897/zookeys.405.6475 . Reference page. 
• Engel, M.S. 2014: First record of Nanorhathymus acutiventris (Friese) from Limón Province, Costa Rica (Hymenoptera: Apidae). Entomologist's monthly magazine 150(1796-98): 4. Reference page. 
• Engel, M.S. 2014. The bee genus Caenaugochlora in Venezuela (Hymenoptera: Halictidae). Journal of Melittology 33: 1–10. DOI: 10.17161/jom.v0i33.4725 . Reference page. 
• Engel, M.S. 2014. A new species of Thyreus from northern Cameroon (Hymenoptera: Apidae). Journal of Melittology 42: 1–8. DOI: 10.17161/jom.v0i42.4815 . Reference page. 
• Engel, M.S., Alqarni, A.S., Hannan, M.A., Hinojosa-Díaz, I.A., Michener, C.D. 2014. Allodapine bees in the Arabian Peninsula (Hymenoptera: Apidae): A new species of Braunsapis from the Sarawat Mountains, with an overview of the Arabian fauna. American Museum Novitates 3801: 1–5. DOI: 10.1206/3801.1 Reference page. 
• Engel, M.S., Breitkreuz, L.C.V. & Ohl, M. 2014. The first male of the extinct bee tribe Melikertini (Hymenoptera: Apidae). Journal of Melittology 30: 1–18. DOI: 10.17161/jom.v0i30.4698 . Reference page. 
• Engel, M.S., Gonzalez, V.H. & Hinojosa-Díaz, I.A. 2014. Revision of the bee genus Chlerogella (Hymenoptera: Halictidae), Part IV: A new species from southwestern Colombia. Journal of Melittology 34: 1–9. DOI: 10.17161/jom.v0i34.4736 . Reference page. 
• Engel, M.S. & Grimaldi, D.A. 2014. Whipspiders (Arachnida: Amblypygi) in amber from the Early Eocene and mid-Cretaceous, including maternal care. Novitates Paleoentomologicae 9: 1–17. DOI: 10.17161/np.v0i9.4765 . Reference page. 
• Falin, Z.H. & Engel, M.S. 2014. Serendipity at the Smithsonian: The 107-year journey of Rhipidocyrtus muiri Falin & Engel, new genus and species (Ripidiinae, Ripidiini), from jungle beast to valid taxon. ZooKeys 424: 101–116. DOI: 10.3897/zookeys.424.7853 Reference page. 
• Gonzalez, V.H., Rasmussen, C. & Engel, M.S. 2014. A new species of Liphanthus from Peru (Hymenoptera: Andrenidae). Journal of Melittology 31: 1–9. DOI: 10.17161/jom.v0i31.4720 . Reference page. 
• Greenwalt, D. & Engel, M.S. 2014. A diminutive pelecinid wasp from the Eocene Kishenehn Formation of northwestern Montana (Hymenoptera: Pelecinidae). Novitates Paleoentomologicae 8: 1–9. PDF. Reference page. 
• Hinojosa-Díaz, I.A. & Engel, M.S. 2014. Revision of the orchid bee subgenus Euglossella (Hymenoptera: Apidae), part II: The viridis and mandibularis species groups. Journal of Melittology 36: 1–108. DOI: 10.17161/jom.v0i36.4777 . Reference page. 
• Jeng, M.-L. & Engel, M.S. 2014. Description of Oculogryphus shuensis sp. n. (Coleoptera, Lampyridae), the first species of the genus in the Sino-Japanese realm, with a modified key to the subfamily Ototretinae. ZooKeys 378: 41–47. DOI: 10.3897/zookeys.378.6435 . Reference page. 
• Kathirithamby, J. & Engel, M.S. 2014. A revised key to the living and fossil families of Strepsiptera, with the description of a new family, Cretostylopidae. Journal of the Kansas Entomological Society 87(4): 385–388. DOI: 10.2317/JKES140407.1 . Reference page. 
• Lohrmann, V., Falin, Z.H., Bennett, D.J. & Engel, M.S. 2014. Recent findings of Olixon banksii in the Nearctic with notes on its biology (Hymenoptera: Rhopalosomatidae). Journal of the Kansas Entomological Society 87(2): 258–260. DOI: 10.2317/JKES130820.1 Reference page. 
• McKellar, R.C. & Engel, M.S. 2014. The first Mesozoic Leptopodidae (Hemiptera: Heteroptera: Leptopodomorpha), from Canadian Late Cretaceous amber. Historical Biology 26(6): 702–709. DOI: 10.1080/08912963.2013.838753 Reference page. 
• Peris, D., Davis, S.R., Engel, M.S. & Delclòs, X. 2014. An evolutionary history embedded in amber: reflection of the Mesozoic shift in weevil-dominated (Coleoptera: Curculionoidea) faunas. Zoological Journal of the Linnean Society 171(3): 534–553. DOI: 10.1111/zoj.12149 Reference page. 
• Perrichot, V., Antoine, P.-O., Salas-Gismondi, R., Flynn, J.J. & Engel, M.S. 2014. The genus Macroteleia Westwood in Middle Miocene amber from Peru (Hymenoptera, Platygastridae s.l., Scelioninae). ZooKeys 426: 119–127. DOI: 10.3897/zookeys.426.7822 Reference page. 

2015

• Breitkreuz, L.C.V., Winterton, S.L. & Engel, M.S. 2015. Revision of the green lacewing subgenus Ankylopteryx (Sencera) (Neuroptera, Chrysopidae). ZooKeys 543: 111–127. DOI: 10.3897/zookeys.543.6476 Full article Reference page. 
• Engel, M.S., Huang, D.-Y., Azar, D., Nel, A., Davis, S. R., Alvarado, M., & Breitkreuz, L. C. V. 2015. The wasp family Spathiopterygidae in mid-Cretaceous amber from Myanmar (Hymenoptera: Diaprioidea). Comptes Rendus Palevol 14(2): 95–100.
• Engel, M.S., Peris, D., Chatzimanolis, S., & Delclòs, X. 2015. An earwig (Insecta: Dermaptera) in Early Cretaceous amber from Spain. Insect Systematics & Evolution 46(3): 291–300.
• Engel, M.S. 2015. Notes on family-group names for bees (Hymenoptera: Apoidea). Journal of Melittology 46: 1–7.
• Benner, J.S., Knecht, R.J. & Engel, M.S. 2015. Tonganoxichnus: a revision of the ichnogenus with new material from Massachusetts. In: McIlroy, D. (ed.). ICHNOLOGY: papers from ICHNIA III. Geological Association of Canada, Miscellaneous Publication 9: 31–43. ResearchGate . Reference page. 
• Straka, J., Alqarni, A.S., Jůzová, K., Hannan, M.A., Hinojosa-Díaz, I.A. & Engel, M.S. 2015. Rediscovered parasitism of Andrena savignyi Spinola (Hymenoptera, Andrenidae) by Stylops (Strepsiptera, Stylopidae) and revised taxonomic status of the parasite. Zookeys 519: 117-139. DOI: 10.3897/zookeys.519.6035 Full article Reference page. 
• Lohrmann, V., Engel, M.S. 2015. A quadriocellar scoliid wasp (Hymenoptera, Scoliidae) from Mallorca, with a brief account of supernumerary ocelli in insects. Zoosystematics and evolution. 91(2): 191-197. DOI: 10.3897/zse.91.5463 Reference page. 

2016

• Breitkreuz, L.C.V., Ohl, M. & Engel, M.S. 2016. A review of the New Caledonian Arpactophilus (Hymenoptera: Crabronidae). Zootaxa 4063(1): 1–66. DOI: 10.11646/zootaxa.4063.1.1. Reference page. 
• Engel, M.S., Huang, D., Breitkreuz, L.C.V., Azar, D., Cai, C. & Alvarado, M. 2016. A new twisted-wing parasitoid from mid-Cretaceous amber of Myanmar (Strepsiptera). Cretaceous Research 58: 160–167. DOI: 10.1016/j.cretres.2015.10.008 . ResearchGate . Reference page. 
• Huang, D.-Y., Bechly, G., Nel, P., Engel, M.S., Prokop, J., Azar, D., Cai, C.-Y., van de Kamp, T., Staniczek, A.H., Garrouste, R., Krogmann, L., dos Santos Rolo, T., Baumbach, T., Ohlhoff, R., Shmakov, A.S., Bourgoin, T. & Nel, A. 2016. New fossil insect order Permopsocida elucidates major radiation and evolution of suction feeding in hemimetabolous insects (Hexapoda: Acercaria). Scientific Reports 6: 23004. DOI: 10.1038/srep23004 . Reference page. 
• Lohrmann, V., Waldren, G.C., Reiß, M., Engel, M.S. 2016. An anocellar polistine wasp (Hymenoptera, Vespidae, Polistinae) from Texas. Zoosystematics and Evolution. 92(2): 251-255. DOI: 10.3897/zse.92.10548 Reference page. 

2017

• Cai, C-Y., Huang, D-Y., Newton, A.F., Eldredge, K.T. & Engel, M.S. 2017. Early evolution of specialized termitophily in Cretaceous beetles. Current Biology 27(8): 1229–1235, online supplements (8 pp.). DOI: 10.1016/j.cub.2017.03.009 Reference page. 
• Engel, M.S., Alqarni, A.S., Shebl, M.A., Iqbal, J. & Hinojosa-Díaz, I.A. 2017. A new species of the carpenter bee genus Xylocopa from the Sarawat Mountains in southwestern Saudi Arabia (Hymenoptera, Apidae). ZooKeys 716: 29—41. DOI: 10.3897/zookeys.716.21150. Reference page. 
• Engel, M.S., Huang, D., Thomas, J.C. & Cai, C. 2017 (print) [2016 (online)]. A new genus and species of pygidicranid earwigs from the Upper Cretaceous of southern Asia (Dermaptera: Pygidicranidae). Cretaceous Research 69: 178-183. DOI: 10.1016/j.cretres.2016.09.009 . Reference page. 
• Engel, M.S., Thomas, J.C. & Alqarni, A.S. 2017. A new genus of protorhyssaline wasps in Raritan amber (Hymenoptera, Braconidae). ZooKeys 711: 103—111. DOI: 10.3897/zookeys.711.20709. Reference page. 
• Lohrmann, V. & Engel, M.S. 2017. The wasp larva’s last supper: 100 million years of evolutionary stasis in the larval development of rhopalosomatid wasps (Hymenoptera: Rhopalosomatidae). Fossil Record 20: 239–244. DOI: 10.5194/fr-20-239-2017 Reference page. 
• Prokop, J., Dehon, M., Michez, D. & Engel, M.S. 2017. An Early Miocene bumble bee from northern Bohemia (Hymenoptera, Apidae). ZooKeys 710: 43—63. DOI: 10.3897/zookeys.710.14714. Reference page. 

2018

• Coelho, B.W.T. & Engel, M.S. 2018. A new group of species within the bee genus Ruizantheda, with a revised key to the males of the genus (Hymenoptera: Halictidae: Caenohalictini). Zootaxa 4415(3): 513–532. DOI: 10.11646/zootaxa.4415.3.6 Reference page. 
• Engel, M.S., Huang, D-Y., Cai, C-Y. & Alqarni, A.S. 2018. A new lineage of braconid wasps in Burmese Cenomanian amber (Hymenoptera, Braconidae). ZooKeys 730: 73–84. DOI: 10.3897/zookeys.730.22585. Reference page. 
• Engel, M.S., Wang, B., Alqarni, A.S., Jia, L-B., Su, T., Zhou, Z-K. & Wappler, T. 2018. A primitive honey bee from the Middle Miocene deposits of southeastern Yunnan, China (Hymenoptera, Apidae). ZooKeys 775: 117–129. DOI: 10.3897/zookeys.775.24909 Reference page. 
• Garzón-Orduña, I.J., Winterton, S.L., Jiang, Y.-L., Breitkreuz, L.C.V., Duelli, P., Engel, M.S., Penny, N.D., Tauber, C.A., Mochizuki, A., Liu, X.-Y. 2018 (print 2019) Evolution of green lacewings (Neuroptera: Chrysopidae): a molecular supermatrix approach. Systematic Entomology 44(3): 499–513. DOI: 10.1111/syen.12339 . Reference page. 
• Makranczy, G., Yamamoto, S. & Engel, M.S. 2018. Description of a Cretaceous amber fossil putatively of the tribe Coprophilini (Coleoptera, Staphylinidae, Oxytelinae). ZooKeys 782: 81–94. DOI: 10.3897/zookeys.782.27733 Reference page. 

2019

• Cai, C., Lawrence, J.F., Yamamoto, S., Leschen, R.A.B., Newton, A.F., Ślipiński, A., Yin, Z., Huang, D. & Engel, M.S. 2019. Basal polyphagan beetles in mid-Cretaceous amber from Myanmar: biogeographic implications and long-term morphological stasis. Proceedings of the Royal Society (B) 286(1894): 20182175. DOI: 10.1098/rspb.2018.2175 . Reference page. 
• Dehon, M., Engel, M.S., Gérard, M., Aytekin, A.M., Ghisbain, G., Williams, P.H., Rasmont, P. & Michez, D. 2019. Morphometric analysis of fossil bumble bees (Hymenoptera, Apidae, Bombini) reveals their taxonomic affinities. ZooKeys, 891: 71–118. DOI: 10.3897/zookeys.891.36027 Reference page. 
• Engel, M.S. 2019. On the subgeneric placement of Andrena kraussi Michener (Hymenoptera: Andrenidae). Entomologist's Monthly Magazine 155(1): 38-42. DOI: 10.31184/M00138908.1551.3950. . Reference page. 
• Engel, M.S., Aqarni, A.S., Shebl, M.A. & Thomas, J.C. 2019. New genera of meliturguline bees from Saudi Arabia and Persia, with notes on related genera and a key to the Arabian fauna (Hymenoptera: Andrenidae). Journal of Hymenoptera Research, 69: 1–21. DOI: 10.3897/jhr.69.32561 Reference page. 
• Engel, M.S., Falin, Z.H. & Batelka, J. 2019. A new genus of Pelecotominae from Mexico, with notes on the genera Clinops and Scotoscopus and the description of new species (Coleoptera, Ripiphoridae). Zookeys, 857: 59–84. DOI: 10.3897/zookeys.857.34938 Reference page. 
• Winterton, S.L., Gillung, J.P., Garzón-Orduña, I.J., Badano, D., Breitkreuz, L.C.V., Duelli, P., Engel, M.S., Liu, X.-Y., Machado, R.J.P., Mansell, M., Mochizuki, A., Penny, N.D., Tauber, C.A. & Oswald, J.D. 2019. Evolution of green lacewings (Neuroptera: Chrysopidae): an anchored phylogenomics approach. Systematic Entomology 44(3): 514–526. DOI: 10.1111/syen.12347 . PDF. Reference page. 
• Yin, Z-W., Zhou, D-Y., Cai, C-Y., Huang, D-Y. & Engel, M.S. 2019 [2018 online]. Pangusyndicus gen. nov.: a new mid-Cretaceous scydmaenine with reduced antennae and prothoracic gland (Coleoptera, Staphylindiae: Scydmaeninae). Journal of Systematic Palaeontology 17(13): 909–921. DOI: 10.1080/14772019.2018.1504129 Reference page. 

2020

• Mao, Y., Engel, M.S., Ren, D. & Gao, T-P. 2020. A new species of Astreptolabis in mid-Cretaceous amber from northern Myanmar, with the discovery of the first male of Astreptolabidinae (Dermaptera). ZooKeys, 911: 101–112. DOI: 10.3897/zookeys.911.38845 Reference page. 

2021

• Gao, J., Engel, M.S., Shih, C., Ren, D., Gao, T. 2021. A new genus of anaxyelid wood wasps from the mid-Cretaceous and the phylogeny of Anaxyelidae (Hymenoptera). Journal of Hymenoptera Research 86: 151–169. DOI: 10.3897/jhr.86.73161 . Reference page. 
• Xiong, S-R., Engel, M.S., Xiao, L-F. & Ren, D. 2021. New archidermapteran earwigs (Dermaptera) from the Middle Jurassic of Inner Mongolia, China. Zookeys 1065ː 129–139. DOI: 10.3897/zookeys.1065.72720 Reference page. 

2022

• Álvarez-Parra, S., Peñalver, E., Delclòs, X. & Engel, M.S. 2022. A braconid wasp (Hymenoptera, Braconidae) from the Lower Cretaceous amber of San Just, eastern Iberian Peninsula. Zookeys 1103ː 65–78. DOI: 10.3897/zookeys.1103.83650 Reference page. 
• Cai, C., Tihelka, E., Giacomelli, M., Lawrence, J.F., Ślipiński, A., Kundrata, R., Yamamoto, S., Thayer, M.K., Newton, A.F., Leschen, R.A.B., Gimmel, M.L., Lü, L., Engel, M.S., Bouchard, P., Huang, D., Pisani, D. & Donoghue, P.C.J. 2022. Integrated phylogenomics and fossil data illuminate the evolution of beetles. Royal Society Open Science 9: 211771. DOI: 10.1098/rsos.211771 . [Supplemental material] Reference page. 
• Engel, M.S. 2022. Establishment of some clade names for Amphiesmenoptera (Insecta: Holometabola). Novitates Paleoentomologicae 24: 1–7. DOI: 10.17161/np.24.18498 .
• Engel, M.S., Nguyen, L.T.P., Tran, N.T., Truong, T.A. & Motta, A.F.H. 2022. A new genus of minute stingless bees from Southeast Asia (Hymenoptera, Apidae). Zookeys 1089ː 53–72. DOI: 10.3897/zookeys.1089.78000 Reference page. 
• Gao, J., Engel, M.S., Grímsson, F., Gu, L., Ren, D. & Gao, T.-P. 2022. The first xiphydriid wood wasp in Cretaceous amber (Hymenoptera: Xiphydriidae) and a potential association with Cycadales. Fossil Record 24(2): 445–453. DOI: 10.5194/fr-24-445-2022 . Reference page. 
• Tran, N.T., Engel, M.S., Truong, L.X. & Nguyen, L.T.P. 2022. First occurrence of the little-known genus Noteriades (Hymenoptera, Megachilidae) from Vietnam: discovery of a new species and a key to the Southeast Asian fauna. Zookeys 1102ː 191–200. DOI: 10.3897/zookeys.1102.82466 Reference page. 

2023

• Engel, M.S., Rasmussen, C., Ayala, R. & de Oliveira, F.F. 2023. Stingless bee classification and biology (Hymenoptera, Apidae): a review, with an updated key to genera and subgenera. Zookeys 1172ː 239–312. DOI: 10.3897/zookeys.1172.104944 Reference page. 
• Nguyen, L.T.P., Nguyen, A.D., Tran, N.T., Nguyen, M.T. & Engel, M.S. 2023. The potter wasp genus Allorhynchium from Vietnam, with descriptions of three new species and a new country record (Hymenoptera, Vespidae, Eumeninae). Zookeys 1166ː 1–32. DOI: 10.3897/zookeys.1166.102674 Reference page. 
• Tran, N.T., Engel, M.S., Nguyen, C.Q., Tran, D.D. & Nguyen, L.T.P. 2023. The bee genus Anthidiellum in Vietnam: descriptions of five new species and the first male of Anthidiellum coronum (Hymenoptera, Megachilidae). Zookeys 1144ː 171–196. DOI: 10.3897/zookeys.1144.98644 Reference page. 

2024

• Guo, D., Engel, M.S., Shih, C. & Ren, D. 2024. New stenurothripid thrips from mid-Cretaceous Kachin amber (Thysanoptera, Stenurothripidae). ZooKeys 1192: 197–212. DOI: 10.3897/zookeys.1192.117754 Reference page. 
• Tran, N.T., Engel, M.S. & Nguyen, L.T.P. 2024. A new species of Habrophorula from Vietnam and an updated key to species of the genus (Hymenoptera, Apidae). ZooKeys 1197: 261–272. DOI: 10.3897/zookeys.1197.118126 Reference page. 

References

Links

• Publication list.