F in Seed-infesting chalcids of the genus Megastigmus Dalman, 1820 (Hymenoptera: Torymidae) native and introduced to the West Palearctic region: taxonomy, host specificity and distribution

F 136–144. Electroscan photographs of scutellum of female Megastigmus. (136) M. rafni; (137) M. rosae, Bulgaria; (138) M. schimitscheki; (139) M. specularis; (140) M. spermotrophus; (141) M. strobilobius; (142) M. suspectus; (143) M. transvaalensis; (144) M. wachtli. Same origins as in (23–31). Scale bars=100 mm, except for (138, 142). Scale bars=200 mm.