Chrysopilus (Diptera: Rhagionidae) from Brazil: redescription of Chrysopilus fascipennis Bromley and description of eleven new species
Author
Santos, Charles Morphy D.
Author
Amorim, Dalton De Souza
text
Zootaxa
2007
1510
1
33
journal article
10.5281/zenodo.177231
85958124-71b7-40d6-92c3-391bad240ab0
1175-5326
177231
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.