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Agriotes obscurus (Linnaeus) - (obscure click beetle)
The larvae (wireworms) of the beetle attack tubers/roots of numerous crops like potatoes, beets, cereals, sunflower, hop and vegetables in Europe. Also, ornamental plants, grasses and young trees may be damaged. The species has been accidentally introduced into western Canada in the late 1800s.
The adults start laying eggs in suitable soil during spring. There are 8-11 larval stages, sometimes more, which last around 1-3 months each. The total duration of the larval development exceeds 1 year and can extend over several years (Sufyan et al., 2014). The pupal stage lasts around 2 weeks.
|• Deutsch:||Düsterer Humusschnellkäfer|
|• English:||obscure click beetle
|• Español:||elatérido obscuro|
|• Français:||taupin obscur|
The adult is brown, about 8-10 mm long. The elytra have longitudinal ridges arranged in pairs. These are dark brown and are covered with yellowish hair. The antennae are slightly longer than head and pronotum combined.