Weekly Update (May 5, 2016; Wk 01) - Cereal leaf beetle predictions

Cereal leaf beetle (Chrysomelidae: Oulema melanopus)  - As of May 1, 2016, the Cereal leaf beetle (CLB) model indicates that oviposition is well underway at Lethbridge AB and Maple Creek SK. Oviposition is expected to begin this week near Swan River MB. Larval populations are predicted to peak in mid-June in southern Alberta and one to two weeks later at the Saskatchewan and Manitoba locations.

Predicted dates of peak emergence of CLB eggs and larvae are as follows:

A CLB update was posted last week on the Blog.

Fact sheets for CLB are published by the province of Alberta and by the Prairie Pest Monitoring Network.  Also access the Oulema melanopus page from the new "Field crop and forage pests and their natural enemies in western Canada - Identification and management field guide".