From Cheng and Thompson, 2008.
Body broad, flat, without chetae (bristles).
Head: very broad, short, thin, obviously wider than thorax. Face narrowed downwards, straight in lateral
view. Frons parallel on both sides, about half the width of head. Vertex very high and protuberant, obviously distinguish from frons. Eye bare; broadly dichoptic. Antenna set on the middle of head, elongate, slender; scape and basoflagellomere several to many times longer than the second; basoflagellomere is more than two times of the first; produced into two deeply furcation, and furnished with obvious pubescence on them; arista absent.
Thorax: postpronotum pilose; scutellum small, with apical margin deeply sulcate medially, almost divided into two lobes; propleuron bare; anepisternum and katepisternum pilose; anepimeron bare; katepimeron (Barrette) bare; katatergum microtrichose; metasternum developed and pilose. Wing: crossvein r-m at middle of M2 cell, vein M1 nearly rectangular to vein R4+5, cross-vein dm-cu
recessive, vein R4+5 without an appendix; vein M also without an appendix anterior into cell R4+5. Legs: femora with distinct cicatrices on basal 1/4; metafemur slightly thickened; tibiae slightly curved, thin basally, thick apically; tarsi broad, short.
Abdomen: slightly arched, short, compact, oval, broad, wider than thorax, length almost as long as wide, widest at junction second and third segment. Male genitalia. Aedeagus bifid, divided apically into two processes.
Included species: Only the type species is known.
Furcantenna Cheng, 2008.
Cheng, X. and Thompson, F.C. (2008) A generic conspectus of the Microdontinae (Diptera: Syrphidae) with the description of two new genera from Africa and China. Zootaxa 1879, 21-48.
unless otherwise stated