Introduction of European Parasites of Sitona spp. for Control of the Sweetclover Weevil, Sitona cylindricollis, in Canada.
- 1 October 1961
- journal article
- research article
- Published by Oxford University Press (OUP) in Journal of Economic Entomology
- Vol. 54 (5) , 1026-1031
- https://doi.org/10.1093/jee/54.5.1026
Abstract
European insect parasites of adult Sitona spp. were released in Manitoba, Canada, against the sweetclover weevil, Sitona cylindricollis Fahraeus. The braconid Pygostolus falcatus (Nees) was reared from S. cylindricollis for 2 successive years following its release at Brandon. There is no evidence that either of the braconids Microctonus aethiops (Nees) auct. or Perilitus rutilus (Nees) or the tachinid Campogaster exigua (Meigen) are established. During studies at Belleville, Ontario, on the development of S. cylindricollis summer-emerged adults were observed to mate and oviposit without a period of diapause at a low temperature. The weevils developed more successfully on sweetclover than on other species of legumes and development was significant more rapid on Melilotus officinalis (L.) Lam. than on M. dentala Pers.This publication has 1 reference indexed in Scilit:
- Schlupfwespen, die in Rußland in den letzten Jahren aus Schädlingen gezogen sindZeitschrift für Angewandte Entomologie, 2009