| Resumo: |
From French Guyana four new genera of the subfamily Doryctinae Foerster, 1862 (Hymenoptera: Braconidae) with six new species (Lamquetia gen. nov.; type species: L. rufa Braet & van Achterberg, spec. nov., L. marshi Braet & Barbalho, spec. nov.), Ondigus gen. nov. (type species: O. bicolor spec. nov.), Neostaphius gen. nov. (type species: N. striatus spec. nov.), and Dapsilitas gen. nov. (type species: D. bicolor spec. nov.; D. robustisoma Braet & van Achterberg, spec. nov.) are described. In addition, three new species of the genera Achterbergia Marsh, 1993 (A. cornicoxa Braet & Barbalho, spec. nov.), Aphelopsia Marsh, 1993 (A. striata Braet & Barbalho, spec. nov.) and Nervellius Roman, 1923 (N. exquisitus Braet & Barbalho, spec. nov.) are described. Additional distributional data on Achterbergia arawak Marsh, 1993; Aphelopsia annulicornis Marsh, 1993; and Ptesimogasteroides cerdai Braet & van Achterberg, 2001, are given. The internal microsculpture of the ovipositor of P. cerdai is illustrated. The genus Sharkeyelloides Marsh, 2002, is synonymized with Ptesimogastroides Braet & van Achterberg, 2001 (syn. nov.). Keys to the species of the genera Achterbergia Marsh, Aphelopsia Marsh, Nervellius Roman, Lamquetia gen. nov., Dapsilitas gen. nov. and Ptesimogastroides Braet & van Achterberg are given.
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