Parancistrocerus irritatus Giordani Soika, 1972

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 : 352-353

Parancistrocerus irritatus Giordani Soika, 1972

Figs 25–32

Parancistrocerus irritatus Giordani Soika, 1972: 103 ; 1994: 154, 164.

Material examined. 1♁, China, Yunnan Province, Lincang City, Shuangjiang County, Mengling Village , Nangong River , 23°387′N, 99°784′E, 3. VI .2019, Huachuan Wang ( CNU) .

Diagnosis. Body length 8.0 mm in male ( Fig. 25 ), body black with yellow marks: clypeus entirely, ventral side of scape, ocular sinus, interantennal spot reaching clypeus ( Fig. 26 ), a long band on upper gena, two anterior separated spots on pronotum, metanotum, tegula mostly, parategula entirely, fore tibia largely, and apical bands of T1–T2; ventral side of antenna except scape, tegula, parategula, surroundings around yellow marks on both mesosoma and metasoma, and bands of apical S3–S5 reddish brown. Setae sparse and short. Apex of clypeus shallowly emarginate ( Fig. 26 ); A11 short, length about 1.2× width, A13 very long, almost reaching middle of A10 ( Fig. 27 ); occipital carina complete; median sloping area of anterior face of pronotum polished; propodeum sloping downward just behind metanotum, dorsal carina weak ( Fig. 29 ); transverse carina of T1 complete and strongly raised ( Fig. 29 ), T1 longer than width of its basal transverse carina ( Fig. 25 ); T2 ( Figs 31–32 ) with a row of large and regular punctures close to margin, not forming raised submargin, margin wide, smooth, and prolonged medially, and with long translucent lamella ( Fig. 32 ); both T3 and S3 without prolongations ( Figs 25, 30–31 ).

Female. Unknown.

Distribution. China (Yunnan); India

Figures

FIGURES 25–32. Parancistrocerus irritatus, ♁. 25. Habitus (dorsal view); 26. Clypeus; 27. Antenna; 28. Head and pronotum (dorsal view); 29. Propodeum and T1 (dorsal view); 30. S2–S7 (ventral view); 31. Metasomal segments 2–6 (lateral view); 32. T2 (dorsal view).