Parancistrocerus Bequaert, 1925

Qin, Jiong, Chen, Bin & Li, Ting-Jing, 2023, Additions to the knowledge of the genus Parancistrocerus Bequaert, 1925 from China (Hymenoptera: Vespidae: Eumeninae), Zootaxa 5256 (4), pp. 345-357 : 345-346

Genus Parancistrocerus Bequaert, 1925

Parancistrocerus Bequaert 1925: 64 ; Carpenter 1986: 79; van der Vecht & Carpenter 1990: 42; Giordani Soika 1994: 152; Girish Kumar et al. 2016: 137 ; Li & Carpenter 2019: 252 .

Type species Odynerus fulvipes de Saussure, 1855 [= O. “ flavipes Fabricius ” sensu de Saussure, 1852, non Vespa flavipes Fabricius, 1775 ], by original designation.

Diagnosis. Anterior sloping face of pronotum medially with two deeply impressed foveae ( Figs 3 , 11 , 19 , 28, 35, 45); tegula with the shape campanulate, posteriorly emarginated adjoining parategula and about equaling it; propodeum with submarginal carina produced into a pointed lamella apically; forewing with second submarginal cell not petiolate; metasoma sessile; T1 usually with a transverse carina separating anterior vertical face from dorsal face in Oriental species ( Figs 4 , 10 , 20 , 29, 37, 44); T2 basally forming acarinarium beneath apex of T1 that is often full of mites ( Giordani Soika 1994; Girish Kumar et al. 2016; Li & Carpenter, 2019).

Distribution. Nearctic, Neotropical and Oriental regions.

Figures

FIGURES 1–7. Parancistrocerus fragilitergus sp. n., holotype, ♀. 1. Habitus (dorsal view); 2. Clypeus; 3. Head and pronotum (dorsal view); 4. Propodeum and T1 (dorsal view); 5. Metasoma (dorsal view); 6. S2–S6 (ventral view); 7. Metasomal segments 2–6 (lateral view).

FIGURES 8–14. Parancistrocerus elatitergus sp. n., holotype, ♀. 8. Habitus (dorsal view); 9. Clypeus; 10. Propodeum and T1 (dorsal view); 11. Head and pronotum (dorsal view); 12. T2–T6 (dorsal view); 13. Metasomal segments 2–6 (lateral view); 14. S2–S3 (ventral view).

FIGURES 15–24. Parancistrocerus extentitergus sp. n., 15, 17, 19, 20, 22–24, holotype, ♀; 16, 18, 21, paratype, ♁. 15– 16. Habitus (dorsal view); 17–18. Clypeus; 19. Head and pronotum (dorsal view); 20. Propodeum and T1 (dorsal view); 21. Antenna; 22. T2 and S2 (lateral view); 23. T2–T6 (dorsal view); 24. S2–S6 (ventral view).