Longivena spatulata, Vieira, Rodrigo & Rafael, Jose Albertino, 2014

Vieira, Rodrigo & Rafael, Jose Albertino, 2014, Longivena, a new robber-fly genus from Brazil (Diptera, Asilidae, Asilinae), ZooKeys 443, pp. 119-138 : 123-126

Taxon classification Animalia Diptera Asilidae

Longivena spatulata sp. n. Figs 41-49

Diagnosis.

four setae and two ocellar macrosetae; tergites V–VII brown; sternites I–IV black, gray tomentose; sternite VIII triangular, developed medioapically and with yellow setae (Fig. 45); epandrium basal margin rounded, apex with two truncated projections in lateral view (Figs 42, 44); gonocoxite with a long spatulated projection (Fig. 46).

Male.

Holotype. Head. Antenna black; four setae and two ocellar macrosetae; vertex black, sparsely golden tomentose; frons black; face black, golden tomentose; mystax with black setae on dorsal 1/2 of facial swelling and yellow setae on ventral 1/2; palpus with yellow setae on basal 1/2 and black setae on apical 1/2; proboscis black with yellow setae ventrally; yellow labial setae; occiput black, golden tomentose, sparse; yellow occipital setae; seven black and four yellow, thick, postocular macrosetae on each side of the head.

Thorax (Fig. 41). Antepronotum black, golden to brown tomentose; postpronotum black, golden tomentose; mesonotum black dorsally, golden laterally, presutural and prescutellar spot golden tomentose; pleuron gray tomentose, except for anepisternum black, sparsely golden tomentose; scutellum golden tomentose. Chaetotaxy: two black notopleural macrosetae; two black supra-alar macrosetae; two black postalar macrosetae; two pairs black presutural dorsocentral macrosetae; no anatergal setae; one pair of yellow apical scutellar macrosetae; katatergal macrosetae yellow; setae on posterior meron + metanepisternum yellowish.

Wing (Fig. 43). Brown. Crossvein r-m passes slightly beyond middle of discal cell; halter with yellow stem and dark red capitulum.

Legs (Fig. 41). Femora black; fore tibia black anteriorly, brown ventrally, and with basal 1/2 brown and apical 1/2 black posterodorsally; mid tibia with basal 2/3 brown and apical 1/3 black anteriorly, remaining brown (except apex black); hind tibia brown, black posteroapically; tarsomeres brown, except for black apical ones. Fore femur with only yellow setae ventrally; mid femur with a yellow macroseta anteromedially and two black macrosetae apically and one yellow apical seta posterodorsally; hind femur with three yellow macrosetae anteriorly, three yellow setae basally, and three black macrosetae apically, one black preapical macroseta anterodorsally and one yellow preapical macroseta posterodorsally; fore tibia with four yellow setae posteriorly; mid tibia with two black setae anteriorly and three yellow setae posteriorly; hind tibia with three yellow setae anteriorly and three posteriorly; tarsomeres with black setae, except for one yellow seta on the first tarsomere of the right mid leg.

Abdomen. Tergites I–IV black, gray tomentose, with brown apical margin, tergites V–VII brown; sternites I–IV black, gray tomentose; sternites V–VII gray and brown tomentose; sternite VIII triangular, medioapically developed and with yellow setae.

Terminalia (Figs 42, 44-49). Brown to black (Figs 41, 42). Epandrium basal margin rounded, apex with two truncated projections in lateral view (Figs 42, 44); gonostylus with apical indentation (Figs 46, 47); gonocoxite with long and spatulated projection, and medial margin with black and yellow setae (Fig. 46); ejaculatory apodeme long and wide proximally in lateral view (Fig. 48); aedeagus apex with trapezoidal projection (Figs 48, 49).

Length. Body 15.3 mm; wing 10.2 mm.

Holotype conditions.

Left hind leg lost; part of tergite I separated from thorax. Right detached wing mounted on microslides, terminalia placed in microvial with glycerin and pinned along with the specimen.

Female.

Unknown.

Etymology,

From Latin spatulata = spatulated, referring to the shape of the gonocoxite apex.

Distribution.

Brazil: Maranhão (Fig. 50).

Type material examined.

Holotype: BRASIL, MA[ ranhão], Caxias [4°52'29"S, 43°20'49"W], Res.[erva] Ecol.[ ógica] Inhamum, Lençol e Luz mista, 29-31.i.2006, F. Limeira–de–Oliveira / Holotype Longivena spatulata (♂ INPA).