Tachydromiinae

Grootaert, Patrick & Shamshev, Igor V., 2012, The fast-running flies (Diptera, Hybotidae, Tachydromiinae) of Singapore and adjacent regions, European Journal of Taxonomy 5, pp. 1-162: 13-14

publication ID

http://dx.doi.org/10.5852/ejt.2012.5

publication LSID

lsid:zoobank.org:pub:B69F002A-C1A0-439D-9477-62BFA87DEAD7

DOI

http://doi.org/10.5281/zenodo.3730339

persistent identifier

http://treatment.plazi.org/id/03BC87A2-5D4A-FF90-FF63-BAE7330C8588

treatment provided by

Plazi

scientific name

Tachydromiinae
status

 

Key to the genera of Tachydromiinae  from the Oriental Region

1. Postpronotal lobe differentiated ( Fig. 5View Figs 3-6). Eyes bare. Scutum usually distinctly longer than broad.......2

– Postpronotal lobe undifferentiated. Eyes with tiny ommatrichia. Scutum not or scarcely longer than broad.................................................................................................................................................4

2. Vein A 1 present ( Fig. 10View Figs 10-18), even if sometimes faint. Mid femur thickened and armed with rows of spinelike setae ventrally ….........................................................…………….. Platypalpus Macquart, 1827 

–Vein A 1 absent. Mid femur more or less slender and usually with weak setae ventrally…………………3

3. Vein CuA 2 present........................................................................................... Tachypeza Meigen, 1830 

– Vein CuA 2 absent........................................................................................ Tachydromia Meigen, 1803 

4. Cells br and bm subequal in length at apex ( Figs 12-13, 18View Figs 10-18; if in doubt, then eyes widely separated on face and hind tibia bristly)...........……................................................…………………………….5

– Cell br much shorter than cell bm at apex…..............................…………………………………….7

5. Scutellum with 3-4 pairs of bristles. Vein A 1 present…........................ Megagrapha Melander, 1928 

– Scutellum with 1-2 pairs of bristles. Vein A 1 absent…….................................………………………6

6. Legs with hind tibia bristly. Eyes usually widely separated on face and frons …………..……………… ……………..................................................................……………….... Chersodromia Walker, 1849 

– Legs with hind tibia lacking bristles. Eyes contiguous on face and widely separated on frons …..… ………………………….........................................…………..………. Nanodromia Grootaert, 1994 

7. Antenna with arista-like stylus dorsoapical ( Fig. 26View Figs 19-26; postpedicel with dorsoapical extension). Abdominal tergites without squamiform setae, tergites 3-5 usually of subequal width......................8

– Antenna with arista-like stylus apical or subapical (postpedicel without dorsoapical extension). Some abdominal tergites often with squamiform setae laterally; if squamiform setae absent, then gena distinctly developed below eye or tergite 4 enlarged...................................................................9

8. Scutum with subequally short dorsocentrals. Rs originating at most halfway along R 1, longer than crossvein bm-cu..................................................................................................... Stilpon Loew, 1859 

– Scutum with pair of long presutural dorsocentrals. Rs originating far beyond halfway along R 1, nearly as long as crossvein bm-cu……............................................... Pontodromia Grootaert, 1994 

9. Gena distinctly developed below eye. Pedicel usually with very long ventral seta. Rs usually shorter than crossvein bm-cu………………............................................. Crossopalpus Bigot, 1857 

– Gena scarcely extended below eye. Pedicel usually with circlet of subequally short setae. Rs usually longer, at least as long as crossvein bm-cu……….....................................……………..10

10. Occiput convex. Postpedicel conical to lanceolate. Hind tibia usually with long anterodorsal bristles. Body often with yellowish markings........................................ Elaphropeza Macquart, 1827 

– Occiput somewhat flattened (head closely set upon thorax). Postpedicel oval. Hind tibia without long anterodorsal bristles. Body dark brown to black…........................……………...11

11. Abdominal tergites with squamiform setae………................................……. Drapetis Meigen, 1822 

– Abdominal tergites without squamiform setae...... Sinodrapetis Yang, Gaimari & Grootaert, 2004 

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Hybotidae