Chrysoplatycerus

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1 Frontvertex length about 3x width; scutellum flat; body, except pronotum, all dark …………………………………………………………………………….…. splendens
1’ Frontovertex length not longer than 2.5x width; scutellum strongly convex; head and mesosoma largely reddish…………………………………………………..….  ferrisi

 

Described Nearctic species and distribution

ferrisi Timberlake, 1922: USA (CA)
howardi Ashmead, 1900: USA (FL)
splendens (Howard, 1888): CAN (ON, QE); USA (CA, FL, TX)

 

Remarks

Chrysoplatycerus flavicollis (De Santis) (as Paraplatycerus citriculus) was mass-reared in a California facility in a biocontrol program directed against Pseudococcus comstocki (Hall, 1974), but there is no record that it established here. Kerrich (1978) presented a key to world species.

 

References

Ashmead, W. H. 1900. On the genera of the chalcid-flies belonging to the subfamily Encyrtinae. Proceedings of the United States National Museum 22: 323-412.
Hall, J.C. 1974. A new genus and species of mealybug parasite from Paraguay (Hymenoptera: Encyrtidae). Entomological News 85: 19-20.
Howard, L.O. (1888) The chalcid genus Rileya. The Canadian Entomologist 20: 191-195.
Kerrich, G.J. 1978. A revision of the dinocarsiine Encyrtidae with a study of the genus Pelmatencyrtus De Santis (Hymenoptera: Chalcidoidea). Zoological Journal of the Linnean Society 62: 109-159.
Timberlake, P.H. 1922. A revision of the chalcid-flies of the encyrtid genus Chrysoplatycerus. Proceedings of the United States National Museum 61: 1-10.