Systropha Illiger, 1806

Niu, Ze-Qing, Wu, Yan-Ru & Huang, Da-Wei, 2005, A Taxonomic Study On The Four Genera Of The Subfamily Rophitinae From China (Hymenoptera: Halictidae), Raffles Bulletin of Zoology 53 (1), pp. 47-58 : 48

Systropha Illiger, 1806

Systropha Illiger, 1806: 145 . Type species: Andrena spiralis Olivier, 1789 ( Eucera curvicornis Scopoli, 1770 ) by monotypy.

Systropha (Systrophidia) Cockerell, 1936: 477 . Type species: Systropha ogilviei Cockerell, 1936 , monotypy.

Diagnosis. – Forewing with three submarginal cells, 1st submarginal cell equal to 3rd one; metasomal terga covered with dense long dark hairs; body without yellow integumental

markings; five last flagellomeres of male rolled to triangular spiral.

Remarks. – The genus is widespread in the Palearctic Region; there are about 25 species in the world ( Michener, 2000). The Palearctic species were revised by Ponomareva (1967); Palearctic and Oriental species were reviewed by Baker (1996); and African and tropical Asian species were listed by Ebmer (1994). In China, only one species, Systropha curvicornis , occurs.