Template:Longair, 2004
- Longair, R.W. 2004: Tusked males, male dimorphism and nesting behavior in a subsocial Afrotropical wasp, Synagris cornuta, and weapons and dimorphism in the genus (Hymenoptera: Vespidae: Eumeninae). Journal of the Kansas Entomological Society 77(4): 528–557. DOI: 10.2317/E-38.1