Pristaulacus africanus (BRUES, 1924)

F, Giuseppe, 2017, Additions to the Afrotropical Aulacidae (Hymenoptera, Evanioidea), Linzer biologische Beiträge 49 (2), pp. 1117-1124 : 1118-1120

Pristaulacus africanus (BRUES, 1924) ( Figs 1 , 2 , 5)

M a t e r i a l e x a m i n e d: Republic of South Africa: Cape Province, Wellington, Rooshoek, XII.1973, 1♀, P.M.F. Verhoeff leg. (NHML).

D i s t r i b u t i o n. Republic of South Africa (Western Cape Province).

I d e n t i f i c a t i o n. Length: 9.0- 11.1 mm (female), 11.0- 11.2 mm (male); fore wing length: 7.0- 8.9 mm (female); 8.2-8.4 mm (male). Colour blackish with antennomeres 3-6 reddish orange (entirely blackish in male), femora, tibiae and tarsi reddish orange brown (tarsi darker), metasoma extensively reddish orange (tergites 1-2 except dorsal petiole and posterior part of tergite 2), fore wing slightly to moderately infuscate, without dark spots, setae mostly brownish. Head 1.5 ൈ wider than long (dorsal view), occipital carina very narrow, less than 0.2 ൈ as diameter of an ocellus, antenna 0.8 ൈ as fore wing length (slightly longer in male). Mesosoma moderately sculptured, pronotum without tooth-like processes on lateroventral margin, fore wing with vein 2-rs+m long, hind coxa stocky, with transverse inner groove (ovipositor guide) placed apically, hind basitarsus elongate 11.4 ൈ longer than wide (14.2-15.6 ൈ in male) and 1.1 ൈ longer than tarsomeres 2-5 (1.2-1.3 ൈ in male), tarsal claws with three well-spaced tooth-like processes along inner margin. Metasoma moderately compressed, pyriform, petiole stocky 1.2 ൈ longer than wide (1.5 ൈ in male), ovipositor 0.9-1.0 ൈ longer than fore wing length, apex not broadened.

Figures

Fig. 1: Pristaulacus africanus (BRUES 1924), female habitus, lateral view.

Fig. 2: Pristaulacus africanus (BRUES 1924) female, main morphological features: (2a) head, dorsal view; (2b) head, frontal view; (2c) head, lateral view; (2d) mesosoma, dorsal view; (2e) mesosoma, lateral view; (2f) wings; (2g) metasoma, lateral view.