Chrysopilus
Creators: name: Santos, Charles Morphy D.
name: Amorim, Dalton De Souza
Publisher: name: Zenodo
Year: 2007
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Rhagionidae
Chrysopilus

description: Key to the Brazilian species of Chrysopilus
This key excludes C. caducus, C. lineatus and C. calopterus, which descriptions are insufficient for their inclusion here. Chrysopilus marumbiensis and C. consanguineus (redescribed in Coscarón & Coscarón 2005) are included in the key.
1 Wing completely hyaline except for stigmal spot ................................................................................. 2
- Wing with at least part of the membrane grayish to brown fumose....................................................... 4
2(1) Ejaculatory apodeme short, no longer than half of the terminalia............................................................ ..................................................... (Southern Brazil) Chrysopilus marumbiensis Coscarón & Coscarón
- Ejaculatory apodeme long, reaching or exceeding the base of the terminalia ...................................... 3
3(2) Apex of R4 straight, without distal curvature; R2+3 with strong distal sinuosity; small stigmal spot (Figure 66); gonocoxal apodemes long .......................... (Southeastern Brazil) Chrysopilus hyalinus sp. n.
- Apex of R4 with slight slight distal curvature; R2+3 with wide sinuosity; wide stigmal spot, reaching C (Figure 43); gonocoxal apodeme not very long .............. (Guyanian Shield) Chrysopilus vitreus sp. n.
4(1) Wing about three times longer than wide ............................................................................................... 5
- Wing about two times longer than wide ................................................................................................ 6
5(4) Apex of gonostylus acuminate (Figure 55); wing membrane light brown, darker apically and along some basal veins; R4+5 fork angle smaller than 90º; wide stigmal spot, reaching R2+3, C, and subcostal cell (Figure 52); ejaculatory apodeme long ............ (Southern Brazil) Chrysopilus microphallus sp. n.
- Gonostylus truncated (Figure 79); wing membrane homogeneously brownish; R4+5 fork almost in a right angle; small stigmal spot, not reaching R2+3 or C (Figure 75); ejaculatory and gonocoxal apodemes long, both exceeding base of terminalia .......(Guyanian Shield) Chrysopilus phaeopterus sp. n.
6(4) Wing with distinctive dark brown apical band (Figure 34) ...................................................................... ................................................................................ (Southeastern Brazil) Chrysopilus semipictus sp. n.
- Wing without distinctive dark brown apical band ................................................................................. 7
7(6) Wing transparent, with some brownish portions or banded; CuA2 reaching A1 far from margin .......... 8
- Wing not well transparent; CuA2 reaching A1 very close to the margin................................................. 9
8(7) Discal cell wide (Figure 25); wing membrane brownish along most veins, brown areas slender along basal veins; gonostylus long, rounded distally, middle portion slightly swollen, with a clump of setae (Figure 29)................................................................... (Southern Brazil) Chrysopilus plaumanni sp. n.
- Discal cell not so wide (Figure 10); wing membrane uniformly brownish, darker at distal third; gonostylus swollen, slightly acuminate distally (Figure 13)............................................................................ ........................................................................... (Southeastern Brazil) Chrysopilus orphnopterus sp. n.
9(7) Wing with distinctive dark brown distal band...................................................................................... 10
- Wing without distinctive dark brown distal band................................................................................ 11
10(9) Wing dark brown distally to an imaginary transverse line in front of radial and medial crossveins; gonostylus subtrapezoidal ................................ (Southern Brazil) Chrysopilus consanguineus Schiner
- Wing dark brown distally to an imaginary transverse line in front of radial but not on medial crossveins (Figure 57); gonostylus long, slightly rounded distally ........................................................................... ................................................................................. (Southeastern Brazil) Chrysopilus camargoi sp. n.
11(9) R2+3 reaching C contiguous to R1 ......................................................................................................... 12
- R2+3 reaching C not contiguous to R1 .................................................................................................... 13
12(11) Wing brownish near posterior margin and at surroundings of crossveins; R4 almost straight, reaching margin without sinuosity; first flagellomere reniform (Figure 2), golden yellow; only two long setae on hypoginial valves (Figure 8) .....................................(Southeastern Brazil) Chrysopilus balbii sp. n.
- Wing membrane with three brownish stripes (Figure 95); R4 reaching margin with strong sinuosity;
first flagellomere conical, shorter than pedicel, brown (Figure 97)......................................................... ............................................................................ (Amazonian Basin) Chrysopilus fascipennis Bromley 13(11) Gonostylus long, distally acuminate, with a bunch of strong basal bristles (Figures 18–19) ................. .................................................................................(Southeastern Brazil) Chrysopilus capillosus sp. n.
- Gonostylus swollen, slightly rounded distally, without strong basal bristles (Figure 88)........................ .................................................................................. (Southeastern Brazil) Chrysopilus caligatus sp. n.
description: Published as part of Santos, Charles Morphy D. & Amorim, Dalton De Souza, 2007, Chrysopilus (Diptera: Rhagionidae) from Brazil: redescription of Chrysopilus fascipennis Bromley and description of eleven new species, pp. 1-33 in Zootaxa 1510 on pages 4-5, DOI: 10.5281/zenodo.177231