Atrichopogon, Kieffer, 1906

Felippe-Bauer, Maria Luiza, 2018, Two new species of Atrichopogon Kieffer from Acre State, Brazil (Diptera: Ceratopogonidae), Zootaxa 4532 (2), pp. 257-265 : 258

publication ID	https://doi.org/ 10.11646/zootaxa.4532.2.5
publication LSID	lsid:zoobank.org:pub:92EDA45C-73A9-47DD-B232-68E5A00CD6CA
DOI	https://doi.org/10.5281/zenodo.5952967
persistent identifier	https://treatment.plazi.org/id/785387D5-FFC7-BC6C-B9AF-FEEF44ECFB61
treatment provided by	Plazi
scientific name	Atrichopogon
status

Treatment

Key to males of Neotropical Atrichopogon View in CoL with pigmented wings

(Excluding Atrichopogon nebulosus Macfie and A. nubeculosus Macfie known only as females)

1. Wing with distinct spots of pigmentation ( Figs. 2C, 2F View FIGURE 2 , 4C, 4F View FIGURE 4 )................................................. 2

- Wing without distinct spots of pigmentation......................................... other 102 spp. of Atrichopogon View in CoL

2. Wing with two distinct darker spots, one over r-m and second in cell r 3 posterior to apex of R 3 ( Figs. 2C, 2F View FIGURE 2 , 4C, 4F View FIGURE 4 )....... 3

- Wing with extensive darker spots........................................................................ 10

3. Gonostylus double or forked ( Figs. 3A, 3B View FIGURE 3 , 5A View FIGURE 5 , 6B, 6E, 6H View FIGURE 6 )................................................... 4

- Gonostylus single, not forked ( Figs. 6A, 6D, 6G View FIGURE 6 )............................................................ 8

4. Gonostylus double ( Figs. 6B, 6E View FIGURE 6 )......................................................................... 5

- Gonostylus forked ( Figs. 3A, 3B View FIGURE 3 , 5A View FIGURE 5 , 6H View FIGURE 6 ).................................................................. 6

5. Posterior margin of tergite 9 rounded, not surpassing apex of gonocoxite; sternite 9 with lateral group of scattered setae ( Fig. 6B View FIGURE 6 ).......................................................................... casali Cavalieri & Chiossone

- Posterior margin of tergite 9 elongated as a setose finger-like process, greatly surpassing apex of gonocoxite; sternite 9 with transverse row of setae ( Fig. 6E View FIGURE 6 )........................................................ dactilus Felippe-Bauer

6. Inner portion of gonostylus divergent from outer portion, needle-shaped ( Fig. 6H View FIGURE 6 )................... pictipennis Clastrier View in CoL

- Inner portion of gonostylus not divergent and needle-shaped................................................... 7

7. Gonostylus forked near midlength ( Fig. 3B View FIGURE 3 )..................................................... nukini View in CoL sp.nov.

- Gonostylus forked near its base ( Fig. 5A View FIGURE 5 ).................................................... shawadaua View in CoL sp.nov.

8. Posterior margin of tergite 9 with a small median lobe ( Fig. 6D View FIGURE 6 ).......................... clastrieri Spinelli & Marino

- Posterior margin of tergite 9 rounded or bifid................................................................ 9

9. Posterior margin of tergite 9 bifid; posterior margin of sternite 9 strongly concave forming two lateral lobes, each with scattered setae; gonostylus tapered and curved with pointed apex ( Fig. 6A View FIGURE 6 )...................... bicuspis Borkent & Picado View in CoL

- Posterior margin of tergite 9 rounded, posterior margin of sternite 9 without lobes, with middle row of setae; gonostylus thick with blunt apex ( Fig. 6G View FIGURE 6 ).............................................................. ornatipennis Clastrier

10. Distal 1/3 of the wing dark with two elliptic pale spots, one subapically in r 3 and another extending from apical portion of m 1 to m 2; gonostylus gradually tapering and curved, bearing pointed apex ( Fig.6C View FIGURE 6 )...................... cavus Felippe-Bauer View in CoL

- Entire distal 1/3 of the wing dark; gonostylus thick with two pointed apical prongs ( Fig.6F View FIGURE 6 ).......... maculipennis Clastrier