Calligaster williamsi Bequaert, 1940

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

Calligaster williamsi Bequaert, 1940

( Figs. 2 , 5–6, 8 , 10 )

Zethus cyanopterus ; Williams 1919: 28, 157, figs. 88–94 (natural history). Misidentification.

Calligaster williamsi Bequaert 1940: 124 , fig. 1 A–D, ♀, ♂ —“Los Baños, Luzon, Philippine Is.” (holotype MCZ).

Diagnosis. Similar to previous species but differing as follows: parapsidal furrows shallow and finely punctate, anterior margin of scutellum with an irregular and narrow transverse furrow ( Fig. 8 ), scutellum entirely matt with sparse fine punctures, apical emargination of male clypeus semicircular and as deep as wide ( Fig. 5 ), face entirely black in both sexes, female clypeus more sparsely punctured on the disc ( Fig. 6 ); apical part of aedeagus nearly straight in lateral view, ventral lobes of aedeagus in lateral view subtriangular and pointed and as wide as base of apical part of aedeagus, anteroventral lobe of digitus pointed and forming an acute angle ( Fig. 10 ).

Material examined. CATAnDUAnES: Pandan , VIII.2018, 2♀ ( AFFI) ; LUZOn: Camarines, Tigaon , V.2015, 1♂ ( MSVI) ; Camarines del Sur, Lagonoy , VII.2020, 1♀ ( MSVI) ; Isabela, Dindin , VIII.2014, 2♂ 4♀ (2♂ 3♀ MSVI, 1♀ AFFI) ; MinDAnAO: Agusan, Esperanza , VIII.2014, 1♀ ( MSVI) ; Agusan, San Francisco , IX.2017, 2♂ 1♀ ( MSVI) ; Davao, Governor Generoso , XI.2017, 1♀ ( MSVI) ; Davao del Sur, Kapatagan , VII.2017, 1♀ ( MSVI) ; Davao del Sur, Kapatagan , IX.2020, 1♀ ( AFFI) ; Davao del Sur, Mt. Talomo , III.2021, 1♀ ( AFFI) ; Mt. Apo , XI.2013, 1♂ 1♀ ( MSVI) ; Surigao, Tandag , IX.2017, 3♂ 1♀ ( MSVI) ; Zamboanga Norte , II.2011, 1♂ ( MSVI) ; MinDORO: Baco , V.2015, 1♀ ( MSVI) ; Baco , III.2021, 1♂ ( AFFI) ; nEGROS: Don Salvador , XII.2014, 1♂ ( MSVI) ; Negros Oriental, VII.2013, 1♂ ( MSVI) ; SAMAR: Hinabangan , X.2017, 1♀ ( MSVI) ; Lope de Vega , XII.2017, 1♀ ( MSVI) .

Distribution. Philippine Islands: Catanduanes *, Luzon, Mindanao, Mindoro, Negros*, Samar * ( Nugroho et al. 2016) ( Fig. 11 ).

Figures

FIGURE 11. Distributional map illustrating the distribution of Philippines species of Calligaster de Saussure.

FIGURES 1–2. 1, Calligaster ilocana Selis, sp. nov., male paratype, habitus. 2, Calligaster williamsi Bequaert, 1940, male, habitus.

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.

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.