A revised classification of the Asian and Pacific selenocephaline leafhoppers (Homoptera: Cicadellidae)Published in Bulletin of The Natural History Museum Entomology Series, in 1996, in volume 65, pages 1-103Encyrtidae (Hymenoptera: Chalcidoidea) of Costa Rica: the genera and species associated with jumping plant-lice (Homoptera: Psylloidea)Published in Bulletin of The Natural History Museum Entomology Series, in 1996, in volume 65, pages 105-164
Encyrtidae (Hymenoptera: Chalcidoidea) of Costa Rica: the genera and species associated with jumping plant-lice (Homoptera: Psylloidea)Published in Bulletin of The Natural History Museum Entomology Series, in 1996, in volume 65, pages 105-164