گزارش زنبور Dibrachys boarmiae (Walker, 1863) (Hym.: Pteromalidae)، پارازیتویید کرم سیبCydia pomonella (Linnaeus, 1758) (Lep.: Tortricidae) از استان خراسان شمالی

In this study, the species Dibrachys boarmia (Walker) was identified and recorded as a parasitoid of the last instar larvae of Cydia pomonella (Walker) from Bojnord city. This species, has been reported in the Palearctic, India, Australian and in Iran from Karaj, East Azerbaijan and Kerman and is considerd as the primary parasitoids of Lepidoptera (Arctiidae, Gelechiidae, Nymphalidae, Pieridae, Pyralidae, Tineidae and Tortricidae), Hymenoptera (Apidae and Aphecidae) and hyperparasitoud of Braconidae and Ichneumonidae. We collected the D. boarmiae larvae on the larvae of C. pomonella and transfered them to the laboratory and kept in the laboratory until adult specimens emergence. Identification of specimens was done by Hossein Lotfalizadeh. In this species, body length is 1.1-2.8 mm, the body in shiny black, in males, head and thorax greenish to bluish with the axillae and scutellum bronze, gaster with a distinct subbasal testaceous spot, which sometimes spreads out to from a transverse band. Antennae testaceous with the pedicellus a little darkend dorsally. Legs, apart from the coxae, testaceous, or with some or all of the femora brown. In females, head and thorax black with a weak bluish or bronze tinge. Antennal scape usually entirely testaceous, sometimes infuscate distally, pedicellus often testaceous beneath and apically, occasionally brown, flagellum brown to fuscous. The tibiae often testaceous, tarsi at least proximally, often mainly, clear testaceous. Marginal vein 1.8-2.1 times as long as the stigmal vein, postmarginal vein often slightly shorter than, sometimes as long as the stigmal and fore wing sometimes with a weak yellowish or brownish discal cloud.