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The biology and host-associations of pteromalids are extremely varied, but most species are idiobionts, many developing as ectoparasitoids of larvae and pupae of Lepidoptera (moths and butterflies), Diptera (flies), Coleoptera (beetles) and Hymenoptera. Concealed hosts, such as leaf-miners and gall-inducers are commonly attacked. Other species are idiobiont endoparasitoids, commonly of lepidopterous pupae. Most members of the tribe Miscogasterini are koinobiont larval- pupal parasitoids of Diptera: Agromyzidae, and Tomicobia species develop on adult Coleoptera. A number of pteromalids are predatory rather than parasitic, and still others are phytophagous. Thus, almost the whole range of biologies found in the Chalcidoidea is present in the Pteromalidae. Several species have been used successfully in biological control, however they do not rival the success of other parasitoid groups such as Aphelinidae, Encyrtidae and Braconidae.

Boucek (1988) provides keys to the Australasian genera.

Agamerion sp.
Amotura sp.

Australlaelops sp.
Cameronella sp.

Diaparinae sp.
Diaparinae sp.

Eupelmophotismus sp.
Eunotinae sp.

Notanisus sp.
Ormocerinae sp.



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