Atrichopogon
Creators: name: Felippe-Bauer, Maria Luiza
name: Silva, Tiago Do Nascimento Da
name: Alves, João Ricardo Carreira
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Ceratopogonidae
Atrichopogon

description: Key to males of Neotropical Atrichopogon with pigmented wings
1. Wing with distinct pigmentation (Figs. 1, 15)............................................................... 2
- Wing without any distinct spots of pigmentation; some with discrete gradients of pigmentation (Fig. 29)...................................................................................................... other Atrichopogon
2. Wing with two transverse darker bands, one straddling the r-m to CuA2 and other covering the distal 1/3 of the wing (Figs. 15)..................................................................................................... 3
- Wing with two distinct, darker spots, one over r-m and the other in cell r3 posterior to apex of R3 (Fig. 1)................ 4
3. Distal 1/3 of the wing entirely in dark band; gonostylus thick for most of length with two pointed apical prongs (Fig. 33)....................................................................................... maculipennis Clastrier
- Distal 1/3 of the wing with two ovoid pale spots, one subapically in r3 and other on apical portion of m1 and m2 (Figs. 15); gono- stylus progressively tapering and curved, bearing pointed apex (Figs. 20, 24)............... cavus Felippe-Bauer sp. nov.
4. Eyes meeting medially, by a length of 2–3 ommatidia; posterior margin of tergite 9 with a small median lobe (Fig. 32).................................................................................... clastrieri Spinelli & Marino
- Eyes meeting medially, by a length of 4–6 ommatidia; posterior margin of tergite 9 various.......................... 5
5. Gonostylus split to or near base (Fig. 9, 31, 35).............................................................. 6
- Gonostylus undivided (Fig. 24, 30, 32, 34)................................................................. 8
6. Inner projection of the gonostylus without articulation with the main portion (Fig. 35)............... pictipennis Clastrier
- Inner projection of the gonostylus articulated with the main portion (Fig. 9, 31)................................... 7
7. Posterior margin of tergite 9 elongate as a setose finger-like process, greatly surpassing apex of gonocoxite; sternite 9 with transverse row of setae (Fig. 9).................................................. dactilus Felippe-Bauer sp. nov.
- Posterior margin of tergite 9 rounded, not surpassing apex of gonocoxite; sternite 9 with lateral group of scattered setae (Fig. 31).......................................................................... casali Cavalieri & Chiossone
8. Posterior margin of tergite 9 bifid; posterior margin of sternite 9 strongly concave forming two lobes with lateral group of scat- tered setae; gonostylus tapering and curved bearing pointed apex (Fig. 30)................... bicuspis Borkent & Picado
- Posterior margin of tergite 9 rounded, posterior margin of sternite 9 without lobes, with middle row of setae; gonostylus thick for most of length with rounded apex (Fig. 34)............................................ ornatipennis Clastrier
description: Published as part of Felippe-Bauer, Maria Luiza, Silva, Tiago Do Nascimento Da & Alves, João Ricardo Carreira, 2012, Two new species of Atrichopogon Kieffer from Rio de Janeiro, Brazil (Diptera: Ceratopogonidae), pp. 39-50 in Zootaxa 3566 on page 40, DOI: 10.5281/zenodo.214525