Protopolybia biguttata Bequaert, 1944

(Figs 37, 38, 39, 40)

Protopolybia picteti var. biguttata Bequaert, 1944: 116, 119 (holotype: 1♀, Peru, Junin, El Campamiento, Col. Perene (CUIC), examined female specimen from the type locality.

Protopolybia biguttata: Richards 1978: 139, 148; Rasmussen & Asenjo 2009: 49.

Diagnosis. Length of fore wing 4.40–5.12 mm; humerus distinctly projecting, carina lamellate and recurved forwards at extremity, not extending downwards; metanotal process with apex truncated; propodeum with wide and deep excavated cavity; propodeal valvula distinctly wide anteriorly; species black with few yellow marks; digitus narrow with apical margin rounded (Fig. 40).

MALE. Length of fore wing 4.70 mm; eyes wide, strongly produced inwards; clypeus narrow, longer than wide, with silvery bristles, ventral margin acute; tentorial pit approximately equidistant to eye margin and to the antennal socket; gena narrow; color like female, except by mandible yellow, and narrow mark on outer orbit extending to vertex. Parameral spine narrow, without elongate bristles; basal and apical angle of paramere widened (Fig. 37); digitus narrow (Fig. 40), with apical margin rounded; basal process of digitus narrow and acuminate; cuspis filled with dense and elongated bristles; ventral process of aedeagus approximately lobed, not projecting laterally, strongly sclerotized and laterally serrated (Fig. 38 and 39); preapical region of aedeagus angular (Fig. 39).

Material examined. ECUADOR: Napo, 4♀, 3♂, 22km N Tena, 19.xii.1990 (Carpenter & Wenzel) (AMNH), 1♀ (MZUSP).

Distribution. Peru, * Ecuador.

Remarks. Specimens from Napo, Ecuador are black, moderately marked with yellow spots. These present the mesoscutum black, the scutellum with a bilobed mark, the metanotum partially yellow, and T2 with three basal yellow spots and one distal yellow band.