- van Achterberg 1988c
- Parallelisms in the Braconidae (Hymenoptera) with special reference to the biology.— Advances Par. Hym. Res.: 85-115, figs 1-101.
- van Achterberg 1997
- Part I. The Palaearctic genera of the subfamily Opiinae (Hymenoptera: Braconidae), with additional notes on the genus Xynobius Foerster. Part II. (J.A.W. van Zuijlen) Revision of the Northwest European species of the genera Apodesmia Foerster, Opius Wesmael, Psyttalia Walker, Phaedrotoma Foerster, and Utetes Foerster (Braconidae: Opiinae).— Zool. Verh. Leiden.
- Quicke, van Achterberg 1990
- Phylogeny of the subfamilies of the family Braconidae (Hymenoptera: Ichneumonoidea).— Zool. Verh. Leiden 258: 1-95, figs 1-180.