Amazunculus manauara Marques, Skevington & Rafael, 2019

Marques, Dayse W. A., Skevington, Jeffrey H. & Rafael, José A., 2019, Revision of the genus Amazunculus Rafael (Diptera: Pipunculidae), with description of six new species, Zootaxa 4577 (3), pp. 439-472 : 460-462

Amazunculus manauara Marques, Skevington & Rafael , sp. nov.

Figs 124–137

http://zoobank.org/NomenclaturalActs/ 1CC5E0E8-AD60-4654-BA22-3A4455DC3296

Diagnosis. Antenna dark brown. Wing base slightly darkened. Epandrium not inflated. Surstyli symmetrical, long in ventral view, almost as long as epandrium, with rounded apex and fused with epandrium. Phallic guide short, with parallel sides in ventral view. Basal processes of phallus very long, surpassing the hypandrium width. Phallus with two very short and pointed apical projections.

Description of male. Body length 6.7 mm. Head ( Fig. 124). Eyes contiguous for a distance of eighteen facets. F, EM, V = 0.7 mm, 0.5 mm, 0.4 mm. Frontal triangle black, grey-brown pruinose. Face grey pruinose. Postcranium dark, brown pruinose dorsally and grey pruinose laterally and ventrally. Antennae ( Fig. 125) with scape dark brown; pedicel dark brown, with three dorsal and five ventral bristles; postpedicel brown with obtuse apex. LPP/WPP = 1.8. Labellum yellowish brown. Thorax. Postpronotal lobe brown, grey-brown pruinose. Scutum and scutellum black with brown pruinescence. Notopleuron concolorous with the scutum, mostly grey pruinose. Mesopleuron dark brown to black, grey pruinose; katatergite and anatergite grey pruinose; mediotergite black, grey-brown pruinose. Wing ( Fig. 126). Length 7.4 mm. LW/MWW = 3.6. LTC/LFC = 1. Membrane mostly hyaline except by base slightly darkened. Halter with stem yellowish brown and knob brown. Legs ( Fig. 124). All legs dark brown to black, with articulations and bases of the tibiae yellow; all femora and tibiae with dense grey pruinescence on the posterior face. Pulvilli yellow. Abdomen ( Fig. 127). Slightly longer than wide. Dark brown to black with brown pruinescence, all tergites with interrupted bands of grey pruinescence posterolaterally. Tergite 6 and sternites 6 and 7 as in Fig. 129. Syntergosternite 8 grey-brown pruinose; about 0.7× length of tergite 5 ( Fig. 127), with a large circular membranous area ( Figs 130–131). Terminalia. Epandrium yellowish brown, not distinctly inflated ( Fig. 131). Surstyli ( Fig. 131) yellowish brown, symmetrical, long in dorsal view, almost as long as epandrium, with rounded apex and fused with epandrium; in lateral view, not elongated ventrally, with distinct curvature near base ( Figs 132–133). Phallic guide ( Figs 134–136) short, almost as long as hypandrium; with somewhat parallel sides in ventral view. Basal processes of phallus very large, surpassing hypandrium width ( Fig. 134). Phallus ( Figs 134, 136–137) with two sclerotized very small and pointed projections apically ( Fig. 137). Ejaculatory apodeme as in Fig. 136.

Female. Unknown.

Type material. HOLOTYPE ♂: “ BRASIL, AM [azonas], Manaus, ZF2, Km-14, 02°35'21"S, 60°06'55"W, 16– 30.ix.2016, Malaise grande 18 m na torre, J. A. Rafael & F. F. Xavier-Filho ” “ D. Marques Specimen #00605” “DW0359” “ Holotype ♂, Amazunculus manauara Marques, Skevington & Rafael ” ( INPA) ( Fig. 128).

Holotype condition. Left wing detached, mounted on microslide. Right hind leg glued on label. Terminalia placed in a microvial with glycerin.

Etymology. The specific epithet ‘ manauara ’ refers to people born in the city of Manaus, the type-locality.

Geographical distribution. This species is known only from the type locality, Amazonas, Brazil ( Fig. 183).

Habitat. This species was collected in a tropical rainforest reserve in Central Amazon, with a Malaise trap mounted at 18 m height in a metallic tower.