Observed: September 17, 2013 @ 4:00 PM
Posted on: September 17, 2013 @ 5:52 PM (diff: 0 days)
The elm sawfly is the largest North American sawfly with larvae reaching a length of almost two inches. Larvae are a yellowish-white color and possess a black dorsal stripe. While feeding, the larvae usually coil their posterior around a leaf or twig. At rest the larvae roll into a characteristic tight coil. The larvae spin tough, papery cocoons in the litter or just below the surface of the soil.