• Tomato leaf miner

  roughly one hour the larva crawls out of the leaf and falls to the ground. This occurs in the early morning. The larva crawls into the ground to pupate. A small [...] percentage of the larvae remain hanging on the leaf and pupate there, sometimes on the upper surface but more commonly on the underside. The late third instar [...] both directly and indirectly. The most direct damage is caused by the larvae mining the leaf tissue, leading to desiccation, premature leaf-fall and cosmetic

• Swirski-Mite LD

  in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory [...] multiply in the sachet and disperse into the crop over a period of several weeks. Predatory mites use their piercing mouthparts to extract the contents of [...] predatory mites Dosage The dosage of Swirski-Mite LD depends on climate, crop and pest density and should always be adjusted to the particular situation

• Citrus mealybug

  distance over the plant. The male nymph attaches itself to the plant, whereas the females remain mobile throughout their entire development. After the second [...] growing on this honeydew. Additionally, the white, waxy secretion of the mealybugs, reduces the ornamental value of the affected plants. Fruit and flowers are [...] so that the light yellow to pink body is visible through its waxy covering. There is often a darker longitudinal stripe running over the body. The adult

• Hemp russet mite

  develops on the stems and petioles of the hemp plant and can cause stunting. When populations are large, the mites can also be found on the underside of [...] of the hemp russet mite are extremely small and difficult to observe. They are elongated (torpedo-shaped), soft and segmented. The body appears to be divided [...] divided into two parts: the head with the mouthparts, and the rest of the body. All mobile stages have only two pairs of legs, whereas other mite groups

• Green peach aphid

  from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation [...] therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its [...] different families. Damage symptoms Of all the aphids , the peach potato aphid ( Myzus persicae subsp. persicae ) is the most important vector of viral diseases

• Cabbage moth

  dusk, hiding in the crop during the day. Several days after emerging from their pupae the female moths lay clusters of 20 to 100 eggs on the underside of [...] brown to black. In younger instars, the relatively large head capsule is conspicuous. In older instars, the lighter colour of the bands between the body [...] instar larvae of the cabbage moth (Mamestra brassicae) are gregarious, eating the edge of the leaves on which they were laid. From the third instar onwards

• Tomato looper

  instead of the normal five and therefore the caterpillar moves with the same looping motion as an inchworm (geometrid). The cocoon is usually attached to the [...] Older instars eat through the leaves, which make them appear skeletonized. The last two instars may eat the entire leaf except for the midrib or other large [...] white marks on the forewing that sometimes overlap each other. The hindwings are brown. The body is brown and hairy and, when at rest, the hairy dorsal plume

• Black tea thrips

  tend to remain in the shaded areas on the plant. The eggs are white and banana-shaped and are inserted singly in plant tissue by the females. The early [...] symptoms The black tea thrips feeds primarily on the foliage of ornamental plants. It attacks the lower surface first and, as feeding progresses and the population [...] population increases, moves to the upper surface. The leaves become discoloured and become distorted between the lateral veins. Severely damaged leaves turn

• False spider mites

  flat compared to other mites. Most species that cause damage to cultivated plants belong to the genera Brevipalpus and Tenuipalpus . The most common species [...] found on the underside of leaves where they cause a brown, scabby discolouration spreading from both sides of the main vein into the leaf blade. The damage [...] damage often leads to premature ageing of the plant. In some crops, plants can become misshapen, presumably because the mites secrete a substance while feeding

• Treatment of bumblebee stings and allergies

  and is used to inject epinephrine into the thigh in the case of a sting. Tests and treatments are available at the Allergology department of the RdGG (Dr [...] guidance for reducing the chance of being stung by a bumblebee and about the possible reaction to a sting and treatment. Download the poster version of Bumblebee [...] reaction against the injected venom develops. The response to a bumblebee sting can differ per incident. The stinger of a bumblebee or a wasp has no barbs