Wheat beetle

Systematic position: The wheat beetle (Anisoplia tempestiva) belongs to the order Coleoptera and the family Scarabaeidae. This species is a well-known pest of cereal crops, causing significant economic damage in various regions across Europe and Asia.

Crops damaged: The primary hosts for this pest are cereal crops such as wheat, rye, and barley. Both the adults and larvae cause damage, but adults are particularly destructive to the grain yield, as they feed on the kernels during the grain-filling stage.

Biology and life cycle: The life cycle typically spans two years. Larvae overwinter deep within the soil. In the spring, they move to the upper soil layers to pupate. The adults emerge in early summer, precisely when the cereals begin to flower, allowing them to feed on the developing grains.

Character of damage and harmfulness: Adults attack the ears of wheat, consuming the contents of the kernels. This feeding behavior causes grain loss and leaves empty husks. The larvae, which live underground, feed on the root systems of grasses and crops, weakening the plants and potentially causing them to wither and die.

Control measures: Integrated pest management is essential. Deep autumn plowing is highly effective at destroying larvae and pupae in the soil. Early harvesting techniques can also minimize the exposure time of the crop to the beetles. When infestation levels are high, targeted applications of insecticides are necessary to protect the yield.