Mystacagenia kimseyae Cambra & Wasbauer, 2020

Cambra, Roberto A., Wasbauer, Marius S. & Corro-Chang, Patricia, 2020, A new species of spider wasps (Hymenoptera: Pompilidae) from Panama Mystacagenia kimseyae sp. nov., Zootaxa 4729 (1), pp. 147-150 : 148

Mystacagenia kimseyae Cambra & Wasbauer , sp. nov.

( Figs 1 , 7–9 )

Diagnosis. FEMALE. Separated from all other known species of Mystacagenia by the following combination of characters: mandible and mandibular beard dark brown; apical margin of clypeus slightly sinuate; vertex blackish; clypeus and face below antennal tubercle orange-brown; vertex without thick curved white setae; forewing hyaline, with a broad faint brown band; hindwing hyaline. MALE. Unknown.

Description. FEMALE (holotype). Body length 6.2 mm; forewing 5.2 mm. Coloration. Vertex blackish, clypeus and face below antennal tubercles orange-brown, mandibles and mandibular beard dark brown ( Fig. 1 ); antennae with first 4 segments black, segments 5–9 yellow, segments 10–12 black; mesosoma blackish ( Fig. 9 ) except pronotum with lateral border pale white; legs: all femora black with dorsal brown stripe apically, tibiae dark brown, narrowly pale yellow at base with longitudinal yellow area ventrally, tarsi and claws yellow, empodia black; metasoma dark red to brown; forewing hyaline and with a broad faint brown band covering stigma, submarginal cells two and three, discoidal one and most of discoidal two, subdiscoidal one and two; hindwing hyaline, with anal vein reaching median vein before origin of cubitus.

Head. Vertex weakly arched above eye tops; clypeus 2.6 x as wide as high, discal area strongly convex, latero- basal areas reaching margin of eyes, apical margin slightly sinuate ( Fig. 1 ); labrum partially exposed, with shallow median notch; middle inteocular distance 0.53 x head width; upper interocular distance 0.75 x lower interocular distance; antenna slender, flagellomere one 6.0 x as long as its apical width and 1.13 x as long as flagellomere two, last flagellomere lost.

Mesosoma. Pronotal disc almost flat and short, broadly angulate behind ( Fig. 7 ); postnotum with a narrow transverse strip, not projecting backward medially; propodeal dorsum in basal half with faint, short, transverse striae.

Metasoma. Pygidium without smooth area, with few large setae.

Material examined. Holotype ♀, PANAMA, Prov.[incia] Darien, P.[arque] Nac.[ional] Darien, Pirre, Est.[acion] Rancho Frio , 80m., 21.iii– 4.iv.2000, yellow pan trap, R. Cambra ( UCDC, holotype number: 1924).

Distribution. Known only from lowlands of eastern Panama, near Colombia border.

Etymology. Dedicated to Lynn Siri Kimsey (UCDC) for her contributions to knowledge on Hymenoptera .

Figures

FIGURES 1–6. 1. Mystacagenia kimseyae sp. nov., holotype, ♀. 2, 6. M. albiceps, ♀. 3–5. M. elegantula, holotype, ♀. 1–3. Head, frontal view. 4, 6. Habitus, lateral view. 5. Habitus, dorsal view.

FIGURES 7–9. Mystacagenia kimseyae sp. nov., holotype, ♀. 7. Head and mesosoma, dorso-lateral view. 8. Head and wings, frontal view. 9. Habitus, dorso-lateral view.