Colorado Wheat Entomology Newsletter – May 16, 2022

Dr. Erika Peirce:, 661-607-1789
Dr. Punya Nachappa:, 785-383-4873

Wheat Stem Sawfly
Sawfly adults began to emerge in Weld and Morgan counties. Adult sawflies can only lay their eggs in wheat plants with a stem, which would be around Zadoks 32. However, if there are not enough hosts, they may lay multiple eggs per stem or find non-cultivated wheat grasses to lay their eggs.

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