Damage: Sawflies feed on the underside of older leaves, but rarely cause significant damage.
Insect: Larvae are pale green and shiny with a somewhat hidden black head. Sawflies are 4-7 mm long. They resemble slugs. Sawfly larvae appear in April-May and again in July-August. Adults are small black wasp-like insects that can be seen resting on or flying around plants in June.
Note: Rarely seen in blueberries