What are they?
Non-stinging wasps that feed on spruce trees and feed together in a colony. They can strip needles from a tree in just a matter of days.
What are the signs?
· Needle discoloration and loss
· Stripped branch tips
· Feeding on old and new needles
· Eggs overwinter on bark
· Eggs hatch in April–May
Treatment and Prevention
· Can be treated with systemic or topical insecticides
· Treatment needs to occur before they begin to feed rapidlyGet Your Free Estimate Today!