Euura myrtilloides
Euura myrtilloides is a species of sawfly belonging to the family Tenthredinidae and the larvae forms galls on swamp willow. It was first described by Jens-Peter Kopelke in 1996. E. myrtilloides is one of a number of closely related species which is known as the Euura atra subgroup.
Description
The gall is often low down on the plant and is a conspicuous, elongated swelling on young branches. The larvae over-winter in the gall.Other similar looking galls in the Euura atra subgroup are,
- E. atra, found on white willow and crack willow
- E. auritae, found on eared willow
- E. salicispurpureae, found on purple willow
- E. weiffenbachiella, found on creeping willow and S. rosmarinifolia.