Dissomphalus politus Ashmead, 1894

Azevedo, C. O., 2003, Synopsis of the Neotropical Dissomphalus (Hymenoptera, Bethylidae), Zootaxa 338 (1), pp. 1-74 : 71-72

Dissomphalus politus Ashmead, 1894 ( Figs. 138 –143)

Dissomphalus politus Ashmead 1894: 193 , 195. Dalla Torre 1898: 558, Kieffer 1908: 36, 1914b: 496, 501, Evans 1964: 46, Gordh & Moczar 1990: 225, Azevedo 1999b: 54, 1999c: 927.

Diagnosis. — Male. Length 2.0 mm. Castaneous testaceous. Head ( Fig. 138 ): mandible tetradentate. Clypeus broadly projected forward, tridentate. Eyes bulging. Frons weakly coriaceous, punctures inconspicuous. Vertex convex. Pronotal disc depressed forward. Notauli weak, present only in the anterior half of the mesoscutum. Metasomal tergite II with a pair of very shallow lateral depressions, with a minute tubercle, with one distinct long hairs, outer margin of depression with a group of setae ( Fig. 139 ). Hypopygium with median stalk long, posterior margin concave ( Fig. 140 ). Genitalia ( Fig. 141 –143): paramere wide basally, narrowing to the rounded apex in lateral view, with a strong setae above, cuspis wide apically in lateral view, aedeagus with ventral ramus as high as dorsal body, with three long and conspicuous apical horns ( Fig. 141 ), dorsal body wide, with two pairs of apical lobes, the dorsal pair stout and membranous, the ventral pair laminar ( Fig. 142 ), vertical, with apex bidentate and directed downward (Fig. 143).

Material examined. — Syntype male: S[AIN]T VINCENT, W[est] I[ndies], 1000 feet, H. H. Smith col. ( USNM, #2497). Here designated as lectotype .

Comments. — The original description was based on two specimens.

Figures

FIGURES 138–142. Dissomphalus politus 138, head, dorsal view; 139, metasoma, dorsolateral view; 140, hypopygium, dorsal view, 141, genitalia, ventral view; 142, genitalia, dorsal view; 143, outer apical lobe of dorsal body of aedeagus. (Scale bars = 0.5 mm).