A Tribal and Generic Revision of the Nearctic Lasiopteridi (Diptera: Cecidomyiidae)

摘要: Relationships of the Lasiopteridi are discussed and supertribe is divided into 3 tribes, Lasiopterini, Alycaulini, Trotteriini. The 2nd tribe found to be strictly New World in distribution. 13 Nearctic genera, including Hybolasioptera Rubsaamen , here recorded for first time from North America, 5 new ASTICTONEURA, CALAMOMYIA, CHILOPHAGA, EDESTOCHILUS, EDESTOSPERMA, described illustrated, a key provided their identification. morphological criteria, such as shape chaetotaxy adult abdominal terga sterna, used greatly facilitate discrimination genera elucidate relationships. species 8 or redescribed, but those larger ones which will require more collecting, listed only. Two species, elymi Edestosperma aristidae described, specific synonymy established, many combinations proposed.