Yellow Headed Spruce Sawfly

Characteristics
The Yellow Headed Spruce Sawfly produces a green larva with a prominent yellow or amber coloured head and thin grey strips running the length of the body and is fairly small at about 1 inch in length.

Damage
  • Attack conifers
  • Feed on needles
  • Can cause extensive damage to spruce trees if the infestation becomes severe
Control
  • Manual removal is an option for mild infestation
  • Insecticide application is generally the most effective method to control
Yellow Headed Spruce Sawfly larvae
Damage caused by Yellow Headed Spruce Sawfly