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Insect ID - Ask Extension

I forget if this a ladybug developing or sawfly. Found on leaf of established River Birch tree. Thank you.

This work is supported in part by New Technologies for Ag Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.