Sepsidae
Creators: name: Li, Xuankun
name: Yang, Ding
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Sepsidae

description: Key to the Chinese genera of Sepsidae
1 Thorax and abdomen dully shining; mid femur dorsally concaved at middle....................... Toxopoda Macquart
- Thorax and abdomen shining; mid femur not concaved at middle............................................... 2
2 Abdomen not constricted between tergites 2 and 3............................................................ 3
- Abdomen constricted between tergites 2 and 3............................................................... 5
3 Br and bm cell united........................................................... Saltella Robineau –Desvoidy
- Br and bm cell separated............................................................................... 4
4 Setae on head reduced, with only 1 vti; fore tarsus flattened and banded black and white............... Ortalishema Fery
- Setae on head developed, with 1 oc, 1 pvt, 1vti, 1 vte, and 1 or; fore tarsus without above structure and colour.............................................................................................. Decachaetophora Duda
5 Supra–alar seta absent; anepisternal seta vestigial or absent............................. Themira Robineau –Desvoidy
- Supra–alar seta present; anepisternal seta present............................................................ 6
6 Arista with plumose or with short rays.................................................................... 7
- Arista bare.......................................................................................... 8
7 Face with well-developed facial carina; flagellomere I strongly lengthened, length nearly 2.5 times longer than width; arista plumose, rays distinctively longer than greatest diameter of arista (Fig. 5 E)............................ Mucha Ozerov
- Face without well-developed facial carina; flagellomere I not lengthened, length less than 2 times longer than width; arista with very short rays, longest rays not longer than greatest diameter of arista........................... Aristina Ozerov
8 Fronto–orbital setae developed............................................................ Meroplius Rondani
- Front–orbital setae vestigial or absent..................................................................... 9
9 Male fore femur without any spines, setae, and tubercles........................................ Perochaeta Duda
- Male fore femur with complex arrangement of spines, setae or tubercles........................................ 10
10 Male fore femur without spines or tubercles, only with a series of very short anteroventral spinules on apical half and a row of well–spaced posteroventral setae; sternite 4 heavily modified, with two pairs of moveable brushy appendages........................................................................................ Nemopoda Robineau –Desvoidy
- Male fore femur not as above; sternite 4 normal, not modified................................................ 11
11 Abdomen in both sexes without distinct striking setae; male surstylus bifurcate at tip................ Dicranosepsis Duda
- Abdomen in male and often in female also with distinct striking setae; male surstylus not bifurcate................... 12
12 Middle part of fore femur ventrally with 3–4 strong spines on a strong tubercle, followed by small tubercle frontward bearing 2 pv setae; wing hyaline, without dark spot near apex; epandrium weakly sclerotized.................. Allosepsis Ozerov
- Fore femur not as above; wing sometimes with dark spot near apex; epandrium often strongly sclerotized...... Sepsis Fallén
description: Published as part of Li, Xuankun & Yang, Ding, 2014, Mucha Ozerov and Ortalischema Frey newly recorded from China with descriptions of two new species (Diptera, Sepsidae), pp. 249-262 in Zootaxa 3815 (2) on page 250, DOI: 10.11646/zootaxa.3815.2.5, http://zenodo.org/record/226959