Psyllaephagus alexion Noyes & Hanson 1996

Noyes & Hanson 1996. Encyrtidae (Hymenoptera: Chalcidoidea) of Costa Rica: the genera and species associated with jumping plant-lice (Homoptera: Psylloidea). Bulletin of the Natural History Museum Entomology Series, 65(2), 28 November 1996: 105-164