Gnathonomia Pauly, 2005

Zhang, Dan, Niu, Ze-Qing, Orr, Michael C., Ascher, John S. & Zhu, Chao-Dong, 2020, Chinese species of Nomia (Gnathonomia) Pauly, 2005 (Hymenoptera: Apoidea Halictidae: Nomiinae), Zootaxa 4768 (1), pp. 76-94 : 77-78

Subgenus Gnathonomia Pauly, 2005

Gnathonomia Pauly, 2005 , 28. Type species: Nomia nasicana Cockerell, 1911 = Nomia aurata Bingham, 1897 , by original designation.

Diagnosis. Tegula ovular, whereas it is auricular (ear-shaped) in other Nomia , such as Curvinomia sensu Pauly (2009) (= N. ( Acunomia ), in part, of Michener (2007)). Moderate-sized, body length is about 7–12 mm, usually with narrow white bands on apical margins of the metasomal terga ( Pauly 2005), but these diffuse or sometimes lacking in two species endemic to China, N. pieli and N. fusciventris Zhang & Niu , sp. nov.. Mandible of male strongly developed with median tooth on inner margin, but the median tooth replaced by an angle in some species, including N. fusciventris Zhang & Niu , sp. nov.. Basitibial plate of female delimited by carina anteriorly and laterally ( Pauly 2005).