• Blueberry aphid

  parthenogenic females which then continue to produce females. The aphids are mainly found on young shoots. Peak aphid densities are reached in June and July

• Gummy stem blight

  conidiospores by water drops, tools and hands of workers. The ascospores are the main source of dispersal of disease upwards in the crop and the conidia for spread

• Large raspberry aphid

  vegetative canes and hatch in spring. After emerging in spring, the aphids mainly feed on the underside of leaves and start to reproduce parthenogenetically

• Oleander scale

  They quickly attach themselves to the plant and form a scale. Colonies mainly form on the underside of leaves. After 1 to 2 months, the female reaches

• Strawberry aphid

  relatively small aphids with a body length of only 0.9-1.1 mm. The aphids mainly feed on the underside of young leaves. On outdoor strawberries, winged aphids

• Common cockchafer

  on roots of grasses and clover. The adults feed on the leaves of trees, mainly on oak, maple, beech and plum. Life cycle and appearance of Common cockchafer

• Large blackberry aphid

  overwinter as eggs on blackberry plants. After emerging in spring, the aphids mainly feed on the underside of leaves and start to reproduce parthenogenetically

• Early blight

  Practice crop rotation, in particular when spores surviving in the soil are the main source of infection. Especially wheat and barley reduce the number of surviving

• Two-spotted spider mite

  and adults cause damage to the host plant by feeding on plant sap. They mainly occur on the underside of leaves where they pierce the cells and suck out [...] occur (e.g. on cucumbers they are often yellow-brown, on tomatoes they are mainly red-brown). Both males and females usually have two large black spots, giving

• Buckthorn-potato aphid

  aphids overwinter as eggs on buckthorn. After emerging in spring, the aphids mainly feed on the underside of leaves of their summer hosts and start to reproduce