Raspberry sawfly—Monophadnoides geniculatus
Larvae are up to 0.67 inch long with smooth, pale green bodies with dark brown stripes down their backs.
They are often in groups on the undersides of leaves. Adults are small, thick-bodied wasps.
Small holes appear in leaves and increase in size in May and June until only the veins remain, the leaves
Handpick and destroy infested leaves. The raspberry sawfly does not generally warrant further control
unless plants are threatened with defoliation.