Pnigalio Schrank, 1802

Pnigalio Schrank, 1802: 315. Type-species Ichneumon pectinicornis L.

Diagnosis.

Body color usually metallic blue-green to blue-black (only few species black and with or without metallic reflections). Head rounded, subtriangular or subrectangular, wider than high; antenna with 2 annelli, 3-4 funicle segments and 2-3 club segments; mandible subquadrate, usually with a strongly developed acute upper tooth and 4 rounded lower teeth. Pronotum campanulate to subrectangular; scutellum with 2 or 3 pairs of bristles; propodeum with strongly developed median carina, anterior 1/3 with tongue-like projection or without projection, plicae and costulae present or absent, sometimes with additional costulae either complete or incomplete; propodeal spiracle rounded to subovate. Fore wing usually hyaline, veins developed. Metasoma elongate-ovate to narrow and long (Yoshimoto 1983).

Key to species of Pnigalio known in China