Red-headed pine sawfly larvae have red heads as the name indicates but has a yellow body with black spots. Pine sawfly adults typically lay groups of eggs so multiple larvae hatch and feed in groups.

Second, when the larva is mature, later in the season, they'll tunnel to the base of the plant and construct a pupation chamber. Then they'll turn around, chew the plant off at the base and plug ...

How destructive is the elm zigzag sawfly? According to ODNR, the larvae are capable of "significant defoliation" of elm trees. However, there are no reports of tree deaths from the insect.

Sawfly adults look like small black and red chunky wasps, and their green larvae, which cause the damage, are about 1/2-inch long. There are many types of sawflies, and many are extremely ...

Sawfly damage. OSU Extension Service A: Your description and photos could indicate sawfly damage. The black gritty dots on the leaf surface is frass (larvae poop) falling from larvae on leaves above.

Sawfly larvae hatch in March or April and feed on the outer cells of pine needles. They prefer scotch, red or mugo pines, but will happily settle for most any two- or three-needled pine.

The larvae of several sawfly species belonging to the Tenthredinidae (Hymenoptera) have such a low mechanical resistance in the integument that slight mechanical damage to the integument is enough to ...

A. This skeletonized look is the work of sawfly larvae. The sluglike larvae are about a half-inch long and graze on leaf surfaces, causing the foliage to dry and turn brown. The damaged area is ...

ZigZag sawfly larvae are green with a black band on their head. They can also be identified by having "T-shaped brown or black markings on the top of their second and third pair of legs." ...

Montana farmers produce some of the highest quality hard red spring wheat and hard red winter wheat in the country, but pests ...

On the left is an adult wheat saw sawfly and on the right is sawfly larva in stub. (I apologize for the photos being slightly blurry, but these were the best ones I could locate.) ...