Chrysopilus

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, Zootaxa 1510, pp. 1-33 : 4-5

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.

Figures

FIGURES 43 – 46. Chrysopilus vitreus sp. n., male holotype: 43 — Wing, 44 — Antenna, 45 — Maxillary palpus, female paratype: 46 — Spermatheca.

FIGURES 52 – 56. Chrysopilus microphallus sp. n., male holotype: 52 — Wing, 53 — Antenna, 54 — Maxillary palpus, 55 — Terminalia, dorsal view, 56 — Terminalia, dorsal view.

FIGURES 79 – 83. Chrysopilus phaeopterus sp. n., male holotype: 79 — Terminalia, dorsal view, 80 — Terminalia, dorsal view, female paratype: 81 — Terminalia, ventral view, 82 — Sternite VIII, ventral view, 83 — Genital fork (S IX).

FIGURES 75 – 78. Chrysopilus phaeopterus sp. n., male holotype: 75 — Wing, 76 — Antenna, 77 — Maxillary palpus, female paratype: 78 — Spermatheca.

FIGURES 34 – 37. Chrysopilus semipictus sp. n., male holotype: 34 — Wing, 35 — Antenna, 36 — Maxillary palpus, female paratype: 37 — Spermatheca.

FIGURES 25 – 28. Chrysopilus plaumanni sp. n., male holotype: 25 — Wing, 26 — Antenna, 27 — Maxillary palpus, female paratype: 28 — Spermatheca.

FIGURES 29 – 33. Chrysopilus plaumanni sp. n., male holotype: 29 — Terminalia, dorsal view, 30 — Terminalia, dorsal view, female paratype: 31 — Terminalia, ventral view, 32 — Sternite VIII, ventral view, 33 — Genital fork (S IX).

FIGURES 10 – 14. Chrysopilus orphnopterus sp. n., male holotype: 10 — Wing, 11 — Antenna, 12 — Maxillary palpus, 13 — Terminalia, dorsal view, 14 — Terminalia, dorsal view.

FIGURES 57 – 60. Chrysopilus camargoi sp. n., male holotype: 57 — Wing, 58 — Antenna, 59 — Maxillary palpus, female paratype: 60 — Spermatheca.

FIGURES 1 – 4. Chrysopilus balbii sp. n., male holotype: 1 — Wing, 2 — Antenna, 3 — Maxillary palpus, female paratype: 4 — Spermatheca.

FIGURES 5 – 9. Chrysopilus balbii sp. n., male holotype: 5 — Terminalia, dorsal view, 6 — Terminalia, dorsal view, female paratype: 7 — Terminalia, ventral view, 8 — Sternite VIII, ventral view, 9 — Genital fork (S IX).

FIGURES 93 – 97. Chrysopilus fascipennis sp. n., male: 93 — Thorax, 94 — Maxillary palpus, 95 — Wing, 96 — Head, 97 — Antenna.

FIGURES 15 – 20. Chrysopilus capillosus sp. n., male holotype: 15 — Wing, 16 — Antenna, 17 — Maxillary palpus, 18 — Male Terminalia, lateral view. 19 — Terminalia, dorsal view, 20 — Terminalia, dorsal view.

FIGURES 88 – 92. Chrysopilus caligatus sp. n., male holotype: 88 — Terminalia, dorsal view, 89 — Terminalia, dorsal view, female paratype: 90 — Terminalia, ventral view, 91 — Sternite VIII, ventral view, 92 — Genital fork (S IX).