You may also have noticed hordes of tiny lime-green caterpillars beneath them. But these caterpillars will not turn into butterflies. They are the larvae of the ash sawfly, a highly destructive ...

More and more homeowners are becoming alarmed over the “worms” that are devouring the needles of their pine trees, according to the Minnesota Department of Natural Resources. “These aren’t ...

Researchers have discovered a brand new species of sawfly from an amazingly preserved ... The team think the larvae would ...

Have a few students carefully open the galls (with a pocket knife or thumbnails) to find a sawfly larva. You could collect a few larvae in advance of the lab, and let students view them under a ...