Noyes, J.S. 2004 Encyrtidae of Costa Rica (Hymenoptera: Chalcidoidea), 2. Metaphycus and related genera, parasitoids of scale insects (Coccoidea) and whiteflies (Aleyrodidae).. Memoirs of the American Entomological Institute 73: 439 pp.

Notes: An index to hosts reveals numerous species from the families of Asterolecaniidae (2), Cerococcidae (1), Coccidae (75), Diaspididae (6), Eriococcidae (7), Kermesidae (2), Kerriidae (1) and Pseudococcidae (1).