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
