Calligaster, de Saussure

Selis, Marco & Femia, Arturo, 2022, The genus Calligaster de Saussure (Hymenoptera: Vespidae: Zethinae) in the Philippine Islands, Zootaxa 5155 (1), pp. 124-132 : 129

Key to the species of Calligaster occurring in the Philippine Islands

1 Parapsidal furrows shallow, with few punctures. Anterior margin of scutellum with a shallow and irregular transverse furrow; scutellum dull with fine punctures ( Fig. 8 ). Male clypeus regularly convex, apical emargination semicircular and as wide as deep ( Fig. 5 ). Female clypeus more sparsely punctured on the disc ( Fig. 6 ). Head entirely black in both sexes............................................................................................... C. williamsi Bequaert

- Parapsidal furrows defined and deep, densely punctured. Anterior margin of scutellum crenate, forming six deep pits; scutellum weakly shiny with big deep punctures and micropunctate interspaces ( Fig. 7 ). Male clypeus with a median transverse depression, apical emargination wider than deep ( Fig. 3 ). Female clypeus more densely punctured on the disc ( Fig. 4 ). Male with yellow lines on mandible and scape and rounded yellow spots above antennal insertions........ C. ilocana Selis , sp. nov.

Figures

FIGURES 3–8. 3–4, 7, Calligaster ilocana Selis, sp. nov. 5–6, 8, Calligaster williamsi Bequaert, 1940. 3, 5, Head of male in frontal view. 4, 6, Head of female in frontal view. 7–8, Mesoscutum and scutellum in dorsal view.