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Classification
Superfamily : Chalcidoidea
Family : Eulophidae
Subfamily :
Entedoninae
Scutellum entirely reticulate, with elongate reticulation anteriorly and more uniform reticulate posteriorly.
Entire mesoscutum, including notaular furrows, reticulate.
Face bluish-black, not bright green.
Diagnosis
Distribution
Widespread in the Palaearctic region. This species has been imported into the USA as a biological control agent of Hessian fly, Mayetiola destructor (Cecidomyiidae) (Noyes, 2002, 2003).
Hosts
This is one of the few Pediobius species associated with leafminers, and has been reared from a variety of leafminers as well as other types of hosts, including the families Agromyzidae, Anthomyiidae, Cecidomyiidae, Chloropidae (Diptera), Elachistidae, Gracillariidae, Nepticulidae, Tortricidae (Lepidoptera) (Noyes, 2002, 2003).
Biology
P. metallicus is an endoparasitoid of earlier stages of its hosts.
Comments
This species has been treated often under the name Pediobius acantha (Walker). It is infrequent in the study area, and unlikely to prove to be an effective control agent.