1. On some Eulophid Parasites (Hym., Chalcidoidea) of the Oil Palm HĨspid Beetle
2. Repeated evolution of elongate multiporous plate sensilla in female fig wasps (Hymenoptera: Agaonidae: Agaoninae);Ware;Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen,1992
3. Chirosia betuleti, new record (Ringdahl) (Diptera: Anthomyiidae), a gall-former on the ostrich fern, Matteuccia struthiopteris, with notes on other insect-fern associates;Von Aderkas;Proceedings of the Entomological Society of Washington,1987
4. The thorax of the Hymenoptera
5. Hymenoptera Fam. Chalcididae;Schmiedeknecht;Genera Insectorum,1909