Contribution to the Ɨchneumonidae (Hymenoptera) oI Ɨran, with descriptions oI seven new species Author Riedel, Matthias Zoologische Staatssammlung München mamaflo.riedel@t-online.de Author Ameri, Ali Insect Taxonomy Research Department and Hayk Mirzayans Insect Museum, Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organisation Author Talebi, Ali Asghar Departament of Entomology Faculty of Agriculture. Tarbiat Modares University Author Ebrahimi, Ebrahim Insect Taxonomy Research Department and Hayk Mirzayans Insect Museum, Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organisation text Linzer biologische Beiträge 2019 2019-07-26 51 1 361 390 journal article 22919 10.5281/zenodo.3758345 eff59168-ceb3-489f-8fa5-e1f83aff2473 0253-116X 3758345 Mesochorus samarae SCHWENKE , 1999 new ♂ M a t e r i a l e x a m i n e d: Khuzestansite 1: 1 ♂♂ 11.iii.-10.v.2015 , leg. E. Gilasian . D e s c r i p t i o n: ♂: Body length 3.2 mm . Antenna with 28 flagellomeres; 1 st flagellomere 5.0x longer than wide and 0.66x as long as eye; 2 nd flagellomere 3.8x longer than wide; preapical flagellomere c.2.5x longer than wide. Temple strongly and roundly narrowed behind eye, seen dorsally c.0.6x as long as eye. Distance of lateral ocellus to eye 1.0x ocellar diameter. Inner eye margins parallel. Mesopleuron with scattered punctures ventrally. Area basalis triangular, about as wide as long. Area superomedia 1.9x longer than wide and 1.1x longer than area petiolaris; costula in 0.3 its length. Area petiolaris 1.2x longer than wide. Hind femur 4.6x longer than wide. Claws without visible teeth. Areolet pointed with 2 nd recurrent vein in its middle; nervulus interstitial; pterostigma c.3.1x longer than wide, radial vein reaching its distal 0.6. 1 st tergite 2.2x longer than wide, smooth. 2 nd tergite about as long as wide; thyridium roundish. Stylet c.1.5x longer than 2 nd hind tarsomere, stab-shaped, not clubbed apically. Color: Red. Cream-yellow are gena and wide facial and frontal orbits up to vertex, anterior margin and hind edge of pronotum, H-shaped mark on mesoscutum, scutellum except basomedian red spot, fore and mid coxae and trochanters and apical spots on all femora. Basal 1/3 of propodeum, 1 st tergite completely and basal 3/4 of 2 nd tergite blackish; 2 nd tergite with cream-yellow apical band; following tergites yellowish, with brownish sides and cream-yellow apical margins. Hind tibia narrowly at base and in apical 0.2 brownish. Pterostigma hyaline. Remark: In the key of ♂♂ of the orbitalis -group (SCHWENKE, 1999: 62-63) this species runs to 24(23) M. albolimbatus SCHWENKE, but differs by its larger ocelli, longer stylet and a different color pattern. D i s t r i b u t i o n: Previously only known from Southern Russia , new record for Iran .