Poplar and willow borer
Cryptorhynchus lapathi
- Frass pushed out of openings in wood
- Sap seeps from openings
- Trunks become crooked and misshapen
- Random shoots sprout along deformity
- Damage most common on willow and poplar (except for quaking aspen), particularly young trees 1"- 4" diameter
- Larvae are C-shaped, cream-colored and approx. ΒΌ inch long
- More information on Poplar and willow borer...