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Sawfly Larvae - Garden Insect Library - Saferbrand

Sawfly Larvae

 

Adult sawflies have two wings, so they are not true flies. They measure up to 1/2" in length.  Larvae resemble caterpillars, although they have some "false legs."

 

Most sawflies seem to prefer older foliage. Larvae devour the needles of conifer trees. Tree branches may appear defoliated.

 

Images courtesy of Herbert A. "Joe" Pase III, Texas Forest Service, Bugwood.org.

 

 

 

 

Symptoms of Conifer Sawfly Damage

Most sawflies seem to prefer older foliage.  Larvae devour the needles of conifer trees. Tree branches may appear defoliated.

 

 

 

 

Results of Conifer Sawfly Infestation

If there is a large infestation, and repeated feedings continue, a branch or an entire tree may end up being defoliated and die. If it does not die, it may end up being more susceptible to secondary diseases.

 

At the very least, growth of the tree may be affected if an infestation occurs.

 

 

Images courtesy of Herbert A. "Joe" Pase III, Texas Forest Service, Bugwood.org. 
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