Polistes (Polistella) williamsi Petersen, 1990

Selis, Marco, 2018, Revision of the genus Polistes Latreille (Hymenoptera: Vespidae: Polistinae) in the Philippine Islands, Zootaxa 4531 (4), pp. 507-531 : 528

Polistes (Polistella) williamsi Petersen, 1990

( Figs. 63–66 )

Polistes williamsi Petersen 1990: 54 (key), 58, figs. 2, 6, 14, ♂, ♀ —“ Philippines, Palawan: Mantalingajan Mts., Pinigisan” (holotype ZMUC).

Diagnosis. This species and P. flavitarsis are the only species in the Philippine Islands with the posterior ocelli close to each other, the jugal lobe reduced, and T1 basally angled. They can be recognized by the characters listed above for P. flavitarsis .

Material examined. PHILIPPINES : LUZON: Isabela, Dindin , VIII.2014, 1 ♂ 1♀ (MSVI); Katapan , 18.X.2017, leg. I. Lumawig, 1♀ ( OPSC) ; Quirino, Madela , VI.2014, 1 ♀ ( MSVI) ; MINDANAO: Agusan, Esperanza , I.2015, 1 ♀ ( MSVI) ; Davao, Mati , XII.2016, 1 ♀ ( MSVI) ; MINDORO: Mt. Halcon , X.2013, 1 ♀ ( MSVI) ; NEGROS: Dumaguete , VI.2014, 1 ♀ ( MSVI) ; PALAWAN: Brooke’s Point , V.2015, 1 ♀ ( MSVI) ; SAMAR: Hinabangan , VIII.2014, 1 ♂ ( MSVI) ; Lope de Vega , IX.2016, 1 ♂ ( MSVI) .

Distribution. Philippine Islands: Luzon, Mindanao, Mindoro, Negros, Palawan, Panay, Polillo, Samar, Sibuyan ( Carpenter 1996b; Petersen 1990; Selis 2015).

Figures

FIGURES 63–66. Polistes (Polistella) williamsi Petersen, 1990. 63, 65, ♀. 64, 66, ♂. 63–64, Habitus. 65, Hind tarsi in dorsal view. 66, Antenna in lateral view.