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PPMN Insect of the Week


Prairie Pest Monitoring Network  Aug. 1, 2017

Insect of the Week (July 31) – Red clover casebearer moth  

Red clover case bearer (RCCB) moth – adult Photo: Tim Haye

This week’s Insect of the Week is the red clover casebearer moth. As it’s name suggests, its primary host is red clover, but larvae also reportedly feed on alsike, stone, white and zig-zag clover. The mature larvae are contained within portable cases made of withered flower petals and silk and they feed from the front end of the case on developing seed in the floret. They can consume up to three seeds per day. In areas with high numbers of these moths, such as the Peace River region in BC and AB, red clover stands should only be grown for one year in rotation.

For more information on the red clover casebearer moth, visit our Insect of the Week page.