The genus Calligaster de Saussure (Hymenoptera: Vespidae: Zethinae) in the Philippine Islands Author Selis, Marco Via dei Tarquini, 22 - 01100 Viterbo, Italy. Author Femia, Arturo 0000-0002-6571-2741 Via G. Gozzi, 15 - 50141 Firenze, Italy. arfem 93 @ gmail. com; https: // orcid. org / 0000 - 0002 - 6571 - 2741 arfem93@gmail.com text Zootaxa 2022 2022-06-20 5155 1 124 132 journal article 77862 10.11646/zootaxa.5155.1.6 dac9d493-3f9f-4432-a7cf-b6987cac23a1 1175-5326 6669316 28658B55-F7E0-42FE-B957-F8E0BDC45472 Pseudozumia gracilis van der Vecht, 1963 ( Figs. 12–13 ) Pseudozumia gracilis van der Vecht 1963: 44 , ♀ , ♂ —“ Philippine Islands : … Mindanao” ( holotype female RMNH) Calligaster zetteli Gusenleitner 2006: 1353 , ♀ —“ Philippinen … Bais Forest, Negros-Oriental Province” ( holotype female USC) syn. nov. Material examined. BOHOL : Bilar , Man Made Forest , 29.XI.2005 , leg. C. Pangantihon , 1♀ ( HZVA , paratype of Calligaster zetteli ) . Distribution. Philippines : Bohol , Leyte , Luzon, Mindanao, Mindoro, Negros, Palawan , Samar ( Gusenleitner 2006 ; Selis 2018 ; van der Vecht 1963 ). Remarks. Examination of a paratype of Calligaster zetteli showed us that this species does not belong to Calligaster de Saussure but to Pseudozumia de Saussure and it is a junior synonym of Pseudozumia gracilis van der Vecht. The paratype is shown in Figs. 12–13 . The attribution to Pseudozumia and not to Calligaster was justified by the following characters [characters of Calligaster in brackets]: mandibles elongate [mandibles short], cephalic foveae present [cephalic foveae absent], mid tibia with one spur [mid tibia with two spurs], propodeum with pointed lobes near propodeal valvula [propodeum without pointed lobes], T1 subtriangular with striate elliptical area in the middle [T1 petiolate and parallel sided, striate but without a sharply delimited elliptical area]. FIGURES 9–10. Male genitalia, from left to right: aedeagus in lateral view, aedeagus in ventral view, digitus and volsella. 9, Calligaster ilocana Selis , sp. nov. 10, Calligaster williamsi Bequaert, 1940 . FIGURE 11. Distributional map illustrating the distribution of Philippines species of Calligaster de Saussure. FIGURES 12–13. Pseudozumia gracilis van der Vecht, 1963 , ♀ (paratype of Calligaster zetteli Gusenleitner, 2006 ). 12, Head, frontal view. 13, Mesosoma, dorsal view. The synonymy with P. gracilis , the only Pseudozumia recorded from Philippine Islands , and not to other species of the genus, is justified by the shallow depression on the vertex, the acute apical lobes of the propodeum, the shiny mesoscutum with sparse and shallow macropunctures, the scutellum with very sparse fine punctures only, and the absence of metallic iridescence on the head and mesosoma.