Description

Adult

Length of 8-11 mm. Uniform mid brown with dense covering of pale hairs. Pronotum & elytra with rounded appearance. Rows of pits on elytra are darker giving a striated appearance. Legs & antennae uniformly brown.

Larvae

Length of 17-20 mm & width less than 2 mm. Head flattened with short mandibles. Body shiny and pale yellow.

Eggs

Length of 17-20 mm & width less than 2 mm. Head flattened with short mandibles. Body shiny and pale yellow.

Distribution

Throughout Europe, parts of Asia, North America and New Zealand.

Economic Host(s)

Wide range of root and leafy crops including sugar beet, potatoes, oats and barley.

Symptoms/Signs

Plant damage includes boring and feeding of roots and injury to stem bases. Patchy seedling emergence, wilting of seedlings and plant bending are all symptoms.

Generations:

Generations: <1 . The harmful larval stage can extend from 3-5 years.