Polistes (Epicnemius) bequaertianus Willink, 1954

Brito, Samanta, Oliveira, Marcio L., Carpenter, James M. & Somavilla, Alexandre, 2024, The genus Polistes Latreille, 1802 (Hymenoptera: Vespidae) of Brazil: morphological diagnoses, identification key, and geographical distribution, Zootaxa 5496 (4), pp. 509-545 : 525

Polistes (Epicnemius) bequaertianus Willink, 1954

( Figs 43, 44 )

Polistes bequaertiana Willink, 1954: 255 , ♂.

Diagnosis. Female. Body black to brown, metasoma completely brown. Wing pigmentation brownish. Relatively small size, maximum 16 mm in total length. Clypeus long than it is wider, covered by short bristles at its base becoming long toward the apex, and medium-sized and deep punctures present only in the apical region, apex rounded, clypeus-eye touching for an extent smaller than width of antennal socket; central region of the gena smaller than the eyes; occipital carina strong; humeri slightly projecting; mesepisternum with short bristles, small and shallow punctation; propodeal concavity and striae absent; tergum I longer than wide, with short and dense bristles, and strong, medium sized, and deep punctures; tergum II wider or as wide as long, short and dense bristles, weakly punctate. Male. Similar to the females, except for the metasoma brownish, with terga I and II with apical region yellow.

Material examined. 1♀, 2♂ in total. Paraguay: Porto Bertoni, 1♀, 2♂ ( IBNP) .

Distribution. Brazil: Rio de Janeiro; Paraguay; Argentina.

Figures

FIGURES 37–44. Polistes spp. 37, 38. P. (Epicnemius) actaeon Haliday. 39, 40. P. (E.) angulinus Richards. 41, 42. P. (E.) atrox Richards. 43, 44. P. (E.) bequaertianus Willink. 37, 39, 41, 43. Dorsal view. 38, 40, 42, 44. Lateral view. Scale bars: 5 mm.