Riccardoella

Riccardoella limacum infesting a snail

Taxonavigation

Taxonavigation: Tydeoidea
Superregnum: Eukaryota Cladus: Unikonta Cladus: Opisthokonta Cladus: Holozoa Regnum: Animalia Subregnum: Eumetazoa Cladus: Bilateria Cladus: Nephrozoa Cladus: Protostomia Cladus: Ecdysozoa Cladus: Panarthropoda Phylum: Arthropoda Subphylum: Chelicerata Classis: Arachnida Subclassis: Acari Superordo: Acariformes Ordo: Trombidiformes Subordo: Prostigmata Cohort: Eupodina Superfamilia: Tydeoidea

Familia: Ereynetidae
Subfamilia: Riccardoellinae
Tribus: Riccardoellini
Genus: Riccardoella
Subgenera (2): R. (Riccardoella) – R. (Proriccardoella)

Overview of species (7): R. canadensis – R. limacum – R. novaezealandiae – R. oudemansi – R. reaumuri – R. tokyoensis – R. zadielensis

• nec R. jenynsi – R. helicis (j. syn.)
• Species inquirenda according to Fain & Van Goethem (1986: 128): R. concolor
  

Name

Riccardoella Berlese, 1923

• Original status: valid subgenus
• Gender: feminine
• Type species: Acarus limacum Schrank, 1776

Notes

• Riccardoella was erected by Berlese, 1923 as subgenus of Micrereunetes and characterized by triarticulate palps.
• The subgenus was raised to full genus rank by Thor (1929).
• Fain & Van Goethem (1986) divided the genus Riccardoella into two subgenera, the nominal subgenus with a single species (R. limacum) and Proriccardoella with 3 species.
• For species identification, see also Waki & Shimano (2023).

References

Primary references

• Berlese, A. 1923. Centuria sesta di Acari nuovi.I. Prostigmata. Redia 15: 242–246.
• Fain, A. & Van Goethem, J.L. 1986, Les acariens du genre Riccardoella Berlese, 1923 parasites du poumon de mollusques gastéropodes pulmonés terrestres. Acarologia 27: 125–140.
• Schrank, F. von P. 1776. Beyträge zur Naturgeschichte. Augsburg, Veith. 140 p., pls 1-7.
• Thor, S. 1929. Über die Phylogenie und Systematik der Acarina, mit Beiträgen zur ersten Entwicklungsgeschichte einzelner Gruppen. Nyt magazin for naturvidenskaberne 67: 145.
• Waki, T. & Shimano, S. 2023. Snail mites of the genus Riccardoella in Japan. Taxa, Proceedings of the Japanese Society of Systematic Zoology 54: 3–10. [in Japanese]

Additional references

• Barker, G.M. & Ramsay, G.W. 1978: The slug mite Riccardoella limacum (Acari: Ereynetidae) in New Zealand. New Zealand entomologist 6(4). 441–443. PDF
• Sirvid, P.J. et al. 2010. [Chapter] SIX Phylum ARTHROPODA CHELICERATA horseshoe crabs, arachnids, sea spiders. Pp. 50-89 in Gordon, D.P. (ed.): New Zealand inventory of biodiversity. Volume 2. Kingdom Animalia. Chaetognatha, Ecdysozoa, ichnofossils. Canterbury University Press, Christchurch, New Zealand. ISBN 978-1-87725793-3