A catalogue of the parasites and predators of insect pests. Section 2, Host parasite catalogue. Part 2, Hosts of the Hymenoptera (Agaonidae to Braconidae) / prepared under the direction of W. R. Thompson, F.R.S. -- Ottawa : Commonwealth institute of biological control, 1953. -- ii, 190 s. ; 27 cm. blanokrídlovce * škodlivý hmyz * parazitické živočíchy * katalógy