Ptilobactrum neavei Bezzi  

Following the key of Cheng and Thompson (2008), Ptilobactrum has abdomen short, conical, about twice as long as wide; head much wider than thorax; male basoflagellomere covered with long pile, greatly elongate, 4 or more times longer than scape; arista reduced, short, thick; scape long; scutellum unarmed; metatibia without long pile along dorsal edge, forming a distinct brush; and vein R4+5 with an appendix extending posteriorly into cell R4+5.