Alnus

Taxonomic challenges in the identification process, an example - Alder Sawfly, Nematus erythrogaster

The OSU C. Wayne Ellett Plant and Pest Diagnostic Clinic (PPDC) received a sample of sawfly larvae from Holden Arboretum collected on a species of alder (Alnus spp.) in June 2023. The larvae were eating alder leaves when they were collected by the propagator at Holden Forests and Gardens.
Published on
Authors
Suranga Basnagala
Kayla Perry