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2. Revision of the subfamily Blacinae Foerster (Hymenoptera, Braconidae);van Achterberg;Zoologische Verhandelingen Leiden,1988
3. Illustrated key to the subfamilies of the Holarctic Braconidae (Hymenoptera: Ichneumonoidea);van Achterberg;Zoologische Mededelingen Leiden,1990
4. Illustrated key to the subfamilies of the Braconidae (Hymenoptera: Ichneumonoidea);van Achterberg;Zoologische Verhandelingen Leiden,1993
5. Kollasmosoma gen. nov. and a key to the genera of the subfamily Neoneurinae (Hymenoptera: Braconidae);van Achterberg;Zoologische Mededelingen Leiden,1993