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A preliminary study of the polyembryonic cutworm parasite berecyntus Bakeri var. gemma Girault
As early as 1923, the attention of Mr. K. M. King Was drawn to the occurrence in SasKatchewan of a hymenopterous insect parasite of the family Encyrtidae, Berecyntus bak.eri How. which was parasitizing noctuid larvae. ...
A morphological study of some of the immature stages of Cryptohypnus nocturnus eschscholtz, and a study of some ecological factors concerning wireworms : a preliminary study
Wireworms, the larvae of the Elateridae, are among the most common and widely distributed pests of cultivated crops. They have undoubtedly caused some losses from the earliest days of agriculture, since their importance ...