Inpauema xavieri, sp. nov.

(Figs 57–66)

Etymology. Named in honor to the collector of the specimen, Francisco Felipe Xavier Filho (INPA, Brazil).

Description. Holotype ♂. Body length 4.85 mm.

Diagnosis. Antenna entirely black, including arista. Gena brown pruinose. Palpus dark brown to black, brown at extreme distal tip. Tergite 6 asymmetrical, restricted to the right side, very short, inconspicuous medially.

Head (Figs 57–59). Frontal pruinosity velvety dark brown, with distinct dorsal vitta projecting laterally to ocellar triangle reaching vertex area (Fig. 58). Height 1.33X the length; width 1.2X the height. Frons 1.5 wider than long. Fronto-orbital plate with gray-yellowish pruinosity in frontal view (Fig. 58). Genal groove area brown, large, bare; gena brown pruinose; postgena with brown to dark brown pruinosity (Fig. 59). Antenna entirely black, including arista (Fig. 57). Palpus dark brown to black, brown at extreme distal tip.

Thorax (Fig. 60). Mesonotum dark brown to black with a faint gray pruinose stripe between dorsocentral setae, reaching third dorsocentral setae pair, more distinct when seen under anterior incident light. Scutellum dark brown to black; in dorsal view with conspicuous gray pruinosity when seen under anterior incident light. Legs (Fig. 57). Coxae and femora brown to dark brown. Tibiae mainly brown somewhat yellowish medially. Tarsi brown. Wing (Fig. 61). Hyaline. Length 4.4 mm, width 1.5 mm, 2.9X longer than wide.

Abdomen (Fig. 62). Male terminalia. Tergite 6 asymmetrical, restricted to right side, very thin and short, inconspicuous medially (Fig. 64); syntergosternite 7+8 largely fused. Epandrium with some scattered setae and a single row on posterior edge (Figs 63–64). Cercus almost 3X longer than wide, slightly shorter than epandrium, setose (Figs 63–64). Hypandrium 1.8X longer than epandrium (Figs 63, 65). Phallapodeme 2.4X longer than hypandrium (Figs 63–64). Basiphallus as long as distiphallus (Fig. 63). Distiphallus subhemispherical in ventral view, with a small fissure distally (Fig. 65). In ventral view pregonite with distal mesial keel subrounded; postgonite as a small thin sclerite (Fig. 65). Gonocoxal apodemes upward directed, apparently not fused when seen from posterior view (Fig. 66).

Female. Unknown.

Type material. Holotype ♂ (pinned, terminalia in microvial of glass; good condition), deposited in INPA: “ Brasil, AM[azonas], Manaus, Rod.[ovia] AM 0 10 (sic), BR-174, Km 50, ZF-2, Km 27, próximo entrada LBA, 02°35'S, 60°06'W. 6.iii.2011. 03–06:00h. Arm. [adilha] luz dossel, 35 m. F.F. Xavier; R. Freitas ”.

Geographical record. Brazil (Amazonas).