THELYOTOKOUS PARTHENOGENESIS IN CEPHUS CINCTUS NORT. (HYMENOPTERA: CEPHIDAE)
- 1 October 1938
- journal article
- Published by Cambridge University Press (CUP) in The Canadian Entomologist
- Vol. 70 (10) , 206-207
- https://doi.org/10.4039/ent70206-10
Abstract
The wheat stem sawfly (Cephus cinctus Nort.) has recently become established as a serious pest of wheat in the Nobleford—Lethbridge area of southern Alberta, the first appreciable damage to wheat occurring in 1934. Each succeeding year the insect has increased and spread rapidly throughout the area, and in many cases crop losses have run as high as 75 to 80 per cent.Keywords
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