If your pine tree is suddenly infested with a black-headed, Medusa-like worm, fear not — chances are the tree is simply hosting a colony of European Pine Sawfly larvae. Sawfly larvae hatch in ...

While black-headed budworms are always a part of Southeast ... that were heavily hit by sawfly, that don’t have many old needles,” Graham said. This July 2019 photo shows hemlock sawfly ...

The type of sawfly larvae currently feeding on river ... have green bodies with black dots down their sides, and a black head. They can often be found lining the edges of river birch leaves.

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." ...

We hand-picked them and dropped them into a bucket of water and noticed more caterpillars that are green with black markings ... your dogwoods are dogwood sawfly larvae, not true caterpillars ...

These sound like larvae for red-headed sawfly that are about an inch long when full grown. They are sometimes referred to as pine caterpillars, but that includes many types of caterpillars.

A: Most active between April and September, the larvae of the common gooseberry sawfly can rapidly defoliate not just gooseberry bushes but also red and white currant bushes by quickly devouring ...

An invasive insect, the elm zigzag sawfly, was found in Minnesota ... The larvae are green with a black band on their head. They also have T-shaped brown or black markings on the top of their ...

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." ...

They also have T-shaped brown or black markings on the top of their second and third pair of legs. The elm zigzag sawfly was first discovered in the United States in 2021. It's native to East Asia.