Scientific name

Spalangia spp.

Taxonomic position

Hymenoptera: Chalcidoidea: Pteromalidae: Spalangiinae

Diagnosis

Body blackish, occasionally with a metallic sheen, generally smooth between piliferous punctures which may be very sparse. Head prognathous, antennal insertions widely separated and close to mouth border, antennae filiform, with 7 funicular segments without anellus, in male first funicular segment longer than pedicel. Eyes with sparse, long hairs. Pronotum with a low subhorizontal neck with transverse rugosity, and convex, bell-shaped collar part. Mesoscutum between punctate notaular grooves with irregular punctures, rarely a cross-row. Forewing with very long marginal vein but very short, subequal marginal vein and stigmal vein, stigmal vein strongly bent. Petiole of gaster conspicuous with longitudinal ribs. Associated with Diptera (from Boucek, 1988).

head  thorax Head, thorax

Images

 Adult - dorsal view

Hosts

Primary parasites of Diptera. Some species attack synanthropic flies and are used in biological control of such flies.

Reference

  • Boucek, Z. 1988. Australasian Chalcidoidea (Hymenoptera). CAB International, 832 p.