Aclista Förster, 1856

Feng, Jun & Xu, Zaifu, 2016, The genus Aclista Förster, 1856 (Hymenoptera: Diapriidae) firstly recorded from China, with descriptions of three new species, Zoological Systematics 41 (3), pp. 273-279 : 274

Genus Aclista Förster, 1856 New record to China

Aclista Förster, 1856: 128 ; Cresson, 1887: 87; Ashmead, 1893: 347; Ashmead, 1902: 246; Kieffer, 1913: 172; Dodd, 1915: 389; Kieffer, 1916; 351; Muesebeck & Walkley, 1951: 685; Muesebeck & Walkley, 1956: 324; Nixon, 1957: 7; Muesebeck & Masner, 1967: 293; Kozlov, 1971: 14; Kozlov, 1978: 564; Muesebeck, 1979: 1130; Mani & Sharma, 1982: 218; Buhl, 1998: 41; Rajmohana, 2006: 14. Type species: Aclista scutellaris (Thomson, 1859), designated by Muesebeck & Walkley (1951).

Diagnosis. Female antenna 14- or 15-segmented. Male antenna 14-segmented. Male A3 usually with strong emargination. Mandibles mostly long and sickle-shaped. Notauli complete. Scutellar pit suboval or rectangle. Postscutellum without process. Fore wing with closed radial cell. Petiole usually twice as long as wide. Gaster fusiform.

Biology. Some species were reared from dipterous larvae ( Muesebeck, 1979; Ševčík, 2006)

Distribution. Worldwide.

Key to Chinese species of the genus Aclista Förster.

1. Antenna brown, with A9 and A10 pale yellow; A10–A14 as long as wide .............................................................. A. annula sp. nov. Antenna fully brown; A10–A14 longer than wide ...............................................................................................................................2

2. A1 distinctly longer than A2+A3; head in dorsal view distinctly wider than mesosoma; petiole 2.25× as long as middle width; apex of striation on T2 without ring of pubescence ......................................................................................................... A. capitata sp. nov. A1 slightly shorter than A2+A3; head in dorsal view as wide as mesosoma; petiole 1.33× as long as middle width; apex of striation on T2 with ring of pubescence ................................................................................................................................. A. hirsuta sp. nov.