Aphid parasitoids (Braconidae, Aphidiinae) of Vietnam: new records and description of 12 new species

Based on a collection made during the period 1999–2009, we record 27 aphid parasitoid species from Vietnam, of which 12 are new to the Vietnamese fauna (Aphidius autriquei Starý, 1985; Aphidius ervi Haliday, 1834; Aphidius urticae Haliday, 1834; Binodoxys basicurvus Shujauddin, 1973; Binodoxys centaureae (Haliday, 1833); Binodoxys communis (Gahan, 1926); Binodoxys greenideae Starý & van Harten, 1983; Binodoxys rubicola Shujauddin, 1973; Binodoxys shillongensis Starý, 1978; Ephedrus nacheri Quilis, 1934; Ephedrus plagiator (Nees, 1811); and Ephedrus trichosiphoniellae Takada, 1968), three species were previously recorded (Lysiphlebia mirzai Shujauddin, 1975, Lipolexis oregmae (Gahan, 1932), and Aphidius rapae (McIntosh, 1855)) and 12 species are new to science described by Tomanović & van Achterberg (Aphidius brevis sp. nov., Aphidius tonkinensis sp. nov., Binodoxys longipetiolatus sp. nov., Cristicaudus ninhbinhensis sp. nov., Ephedrus brevistigmus sp. nov., Ephedrus vietnamensis sp. nov., Lipolexis hirsutus sp. nov., Praon tonkinensis sp. nov., Toxares brevistigmus sp. nov., Toxares flavus sp. nov., Trioxys breviflagellaris sp. nov., and Trioxys glabrirostris sp. nov.). We diagnose the newly described species, discuss their relationships with known congeners, and examine the diagnostic morphological characters used. All recorded aphid parasitoid species represent a natural resource, and some are already used as biocontrol agents (Aphidius ervi Haliday, 1834; Aphidius rapae (McIntosh, 1855); Aphidius urticae Haliday, 1834; Binodoxys communis (Gahan, 1926); Ephedrus plagiator (Nees, 1811); and Lipolexis oregmae (Gahan, 1932)).