Chvalaea amazonica Ale-Rocha, 2006

Barros, Luana Machado, Soares, Matheus Mickael Mota, Freitas-Silva, Rafael Augusto Pinheiro De & Ale-Rocha, Rosaly, 2019, Neotropical Chvalaea Papp & Földvári (Diptera: Hybotidae: Ocydromiinae): new records, an illustrated key to species and description of three new species, Zootaxa 4571 (3), pp. 347-362 : 348

Chvalaea amazonica Ale-Rocha, 2006

( Figs 2 , 18 , 19, 21 , 37 , 45 , 53 )

Chvalaea amazonica Ale-Rocha, 2006: 19 , figs 1–10, 37. Type locality: Santa Isabel do Rio Negro, Pico da Neblina, Amazonas, Brazil.

Diagnosis. As in Ale-Rocha (2006), plus antenna with postpedicel about 2.5 times length of scape and pedicel combined ( Fig. 21 ). Apical pair of scutellar setae long and strong, about 3 times longer than lateral scutellar setae. Wing with veins M 1 and M 4 reaching wing margin ( Fig. 45 ). Hind femur slightly clavate. Hind tarsomeres 2–5 with short, blunt and black ventral spine-like setae ( Fig. 19 ).

Type material examined. HOLOTYPE ♀, labelled: BRASIL, Amazonas, S. [anta] Izabel [do] R.[io] Negro, Pico da Neblina, 8–12.x.1990 / 2030 m, Arm [adilha] Malaise, J.A. Rafael [&] J. Vidal / Holótipo, Chvalaea amazonica Ale-Rocha [red label] (INPA). PARATYPES: same data as holotype (1 ♂, 3 ♀, INPA) .

Geographical distribution. This species is known from Brazil (Amazonas) and Peru (Cuzco) ( Fig. 53 ).

Figures

FIGURE 53. Chvalaea Papp & Földvári. Geographical distribution of the Neotropical species.

FIGURES 1–2. Chvalaea Papp & Földvári. Fore tarsus. 1. Chvalaea pulchra Ale-Rocha, blunt, black spine-like ventral setae highlighted; 2. Chvalaea amazonica Ale-Rocha, 2006, absence of black spine-like ventral setae highlighted. Scale bars: Fig. 1 = 0.5 mm; Fig. 2 = 0.3 mm.

FIGURES 15–18. Chvalaea Papp & Földvári. 15–16. Scutum. 15. Chvalaea masneri Ale-Rocha, 2006; 16. Chvalaea sinclairi sp. nov., paler region anteriorly close to postpronotal lobes highlighted. 17–18. Hind tibia. 17. Chvalaea masneri Ale-Rocha, 2006; 18. Chvalaea amazonica Ale-Rocha, 2006. Scale bars = 0.5 mm.

FIGURES 19–22. Chvalaea Papp & Földvári. Hind tarsus, left lateral view. 19. Chvalaea amazonica Ale-Rocha, 2006 (short, blunt, black spine-like ventral setae on hind tarsomere 2 highlighted); 20. Chvalaea sinclairi sp. nov. (absence of black spinelike ventral setae on hind tarsomere 2). 21–22. Antenna. 21. Chvalaea amazonica Ale-Rocha, 2006; 22. Chvalaea sinclairi sp. nov. Scale bars = 0.1 mm.

FIGURES 37–42. Chvalaea Papp & Földvári. Habitus. 37. Chvalaea amazonica Ale-Rocha, 2006, holotype ♀; 38. Chvalaea annularis sp. nov., holotype ♂; 39. Chvalaea boliviana Ale-Rocha, 2006, paratype ♀; 40. Chvalaea catarinensis Ale-Rocha, 2006, paratype ♂; 41. Chvalaea ecuadoriensis sp. nov., paratype ♂. 42. Chvalaea masneri Ale-Rocha, 2006, paratype ♀. Scale bars = 1 mm.

FIGURES 45–52. Chvalaea Papp & Földvári. Wings. 45. Chvalaea amazonica Ale-Rocha, 2006, holotype ♀; 46. Chvalaea annularis sp. nov., holotype ♂; 47. Chvalaea boliviana Ale-Rocha, 2006, paratype ♀; 48. Chvalaea catarinensis Ale-Rocha, 2006, paratype ♂; 49. Chvalaea ecuadoriensis sp. nov., paratype ♂; 50. Chvalaea masneri Ale-Rocha, 2006, paratype ♀; 51. Chvalaea pulchra Ale-Rocha, 2006, holotype ♀; 52. Chvalaea sinclairi sp. nov., holotype ♂. Abbreviations: bm = basal medial cell; br = basal radial cell; cua = anterior cubital cell; CuA+CuP = anterior branch of cubital vein + posterior branch of cubital vein; dm = discal medial cell; M 1 = first branch of media; M 4 = fourth branch of media; R 1 = anterior branch of radius; R 2+3 = second branch of radius; R 4+5 = third branch of radius. Scale bars = 1 mm.