Dusky Wireworm – Agriotes obscurus

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Description

Adult

Length of 7-10 mm. Uniform mid brown with dense covering of pale hairs. Pronotum & elytra with rounded appearance. Ridged lines present along eltra but not 2 toned like in A. lineatus. Legs & antennae uniformly dark brown.

Larvae

Up to 25 mm long and width up to 2 mm. Body shiny and pale yellow.

Eggs

White, globe shaped & 0.5 mm in diameter. Laid below the soil surface.

Distribution

Throughout Europe, parts of Asia and has now been introduced to Northern America.

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

Trap

Please visit our Pitfall Trap page for more information

Lure

Please visit our Small Polymeric Vial page for more information