Monday, 17 July 2017

Insect of the Week (July 17, 2017) - Tetrastichus julis

This week's Insect of the Week is Tetrastichus julis. They are a parasitoid enemy of the cereal leaf beetle. Mature larvae overwinter in infested cereal leaf beetle cocoons and emerge in spring to lay more eggs in cereal leaf beetle larvae. Adults feed on nectar and aphid honeydew.

For more information on Tetrastichus julis, visit our Insect of the Week page.
Tetrastichus julis - adult parasitizing a cereal leaf beetle larva
(Swaroop Kher, University of Alberta/AAFC)

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