Cardiacephala punctipennis ( Macquart, 1843 ) Ferro & Marshall, 2018

Ferro, Gustavo Borges & Marshall, Stephen A., 2018, A revision of the Neotropical ant-like genus Cardiacephala Macquart, including Plocoscelus Enderlein syn. nov. (Diptera: Micropezidae, Taeniapterinae), Zootaxa 4429 (3), pp. 401-458 : 444-445

Cardiacephala punctipennis ( Macquart, 1843) new combination

( Figs. 74–75 )

Calobata punctipennis Macquart, 1843: 404 .

Plocoscelus punctipennis (Marquart) , Enderlein, 1922: 227.

Plocoscelus wiengreeni Czerny 1932: 288 , Hennig 1935: 50. Description (female only): Body length 8 mm, wing 5 mm. Palpus mostly brown, white on outer face. Clypeus yellow, shiny. First flagellomere dark brown covered with white microsetulae. Fronto-orbital plates brown with a small black spot. Postpronotal lobe light yellow. Row of katepisternal setae black. Fore tibia dark brown. Fore tarsomere one white, 2–5 dark brown. Oviscape yellow, dark brown subapically.

Head: Palpus broadened basally and gradually tapering to apex. Clypeus short, length less than half of width. Two frontal setae. Frontal vitta with a narrowed depression centrally, reaching ocellar triangle. Inner vertical seta insertion flat, without tubercle. Paracephalon smooth, without swelling (not extending beyond the vertex). Vertex flattened. Supracervical seate black, sparse.

Thorax: Mesonotum whitish pruinose with lines of black microsetulae sublaterally. Scutellum upturned, triangular. Femora with sparse black setulae. Mid and hind tibia flattened, but sulcus on outer face weak. Wing apex clear with three preapical black spots. Crossvein r-m with small dark spot. R4+5 and M1+2 ending separately in the wing margin. A1+CuA2 as long as CuA2. Female cervical sclerite smooth, without swelling.

Abomen: Tergites with brownish setulae. Female abdomen: Oviscape yellow covered with small black setulae apex dark brown. Single spermathecal duct uniformly thick, ending in a cylindrical spermatheca. Paired spermathecal delimited by a narrow basal half and a broader distal half with a distal ring-like swelling. Paired spermathecal duct stems striate and swollen in apical half ( Fig. 75 ). Paired spermathecae striate, sac-like (distally swollen and tapered basally) and invaginated from apical half.

Type material: Holotype of Calobata punctipennis (1 ♀, MNHN, only images examined): “ Brazil or Chile ”, M. Gaudichaud coll., date not cited; Plocoscelus wiengreeni Czerny (1 ♂, ZMUH, destroyed, not examined): BRAZIL. Rio de Janeiro, Nova Friburgo. F. Wiengreen coll., date not cited.

Material examined: BRAZIL. Rio de Janeiro, Jacarépaguá, Tijuca, Represa Cigano, FIT, 21–24.I.1990, S. A. Marshall (1 ♀, DEBU 01086328).

Distribution: Brazil.

Figures

FIGURES 74–75. Cardiacephala punctipennis. 74, female, lateral view; 75, female genitalia, ventral view.