Angiopolybia Araujo, 1946

Barroso, Paulo Cézar Salgado, Somavilla, Alexandre, Broad, Gavin R., Menezes, Rodolpho Santos Telles & Oliveira, Marcio Luiz De, 2024, Contributing to the understanding of Angiopolybia Araujo, 1946 (Hymenoptera, Vespidae, Polistinae): a new species, and descriptions of the nest of A. obidensis and male of A. zischkai, Zootaxa 5536 (2), pp. 315-324 : 321

Key to the species of Angiopolybia Araujo, 1946

This identification key is modified from Barroso et al. (2022).

1. Fore wing 7–9.5 mm long; eyes with medium bristles, between 0.05 and 0.09 mm long; lateral lobe of clypeus touching the eye; anterior margin of the axillary fossa directed to the posterior region............................................. 2

– Fore wing 12.5–16 mm long; eyes with tiny bristles, approximately 0.015 mm long; lateral lobe of clypeus not touching the eye; anterior margin of the axillary fossa directed to the anterior region.............................................. 3

2. Pronotum with lobe developed below the pronotal fovea; metapleural basalar area with parallel upper and lower margins................................................................................ A. pallens ( Lepeletier, 1836)

– Pronotum without lobe below the pronotal fovea; metapleural basalar area with divergent upper and lower margins...................................................................................... A. zischkai Richards, 1978

3. Pronotum with high lamella along anterior margin, about one-third of height of antennal socket; gena enlarged in the upper region......................................................................... A. obidensis ( Ducke, 1904)

– Pronotum with low lamella along anterior margin, about one-fifth of height of antennal socket; gena not enlarged in the upper region.............................................................................................. 4

4. Tergum II with a row of very long bristles along posterior margin ( Fig. 11 ); propodeum with region anterior to spiracle projecting more in metapleural basalar area ( Fig. 10 )........................................... A. paraensis ( Spinola, 1851)

– Tergum II without a row of very long bristles along the posterior margin ( Fig. 9 ); propodeum with the region anterior to the spiracle projecting less in metapleural basalar area ( Fig. 8 ).......................... A. obscuriorina Barroso , sp. nov.

Figures

FIGURES 8–11. 8, 9. Angiopolybia obscuriorina sp. nov., holotype, ♀. 10, 11. Stelopolybia paraensis var. (or subspecies) obscurior Bequaert, holotype, ♀ (current A. paraensis brown). 8, 10. Metapleural basalar area, lateral view. 9, 11. Tergum II, lateral view. Scale bar: 1 mm.