Black vine weevil

plants. Larvae can also feed above ground within the stems of the plants. Both adult beetles and larvae are polyphagous and feed on a large number of plant [...] family Curculionidae. Damage symptoms The major damage is caused by the feeding of the larvae on the roots. After the roots have been destroyed the larvae [...] reddish brown head. These larvae live in the root zone in the soil where they feed on the roots. They are legless, roughly 1 mm long at hatching, but grow to

Oat

grown for its seed and is used in food production, as oatmeal and rolled oats, and most commonly in livestock feed, especially for horses to boost their

Mealybugs and scales

reduces flower and fruit production; in ornamental crops, the mere presence of mealybugs is sufficient to render the product unfit for sale. A very small [...] mealybugs & scales Mealybug & scale damage Although most species of mealybugs feed on the aerial parts of the plant, some species extract their nourishment [...] small population can thus cause considerable loss of value. Soft scales feed mostly on leaves and twigs, causing discolouration of foliage, stunting, and

Common cockchafer

most of its damage in the larval stage, when it feeds on roots of grasses and clover. The adults feed on the leaves of trees, mainly on oak, maple, beech

Parasitoid wasps

process. Host feeding In addition to parasitisation, some parasitoid wasps also engage in host feeding. This behavior involves the adult wasps feeding on the [...] significantly reduce the damage caused by pests, ensuring a higher yield and product quality. Environmental sustainability : Parasitoid wasps provide a natural [...] wasps employ two primary methods to control pests: parasitisation and host feeding. Parasitisation Parasitisation is the primary means by which parasitoid

Caterpillars

can cause serious economic damage. Most species feed on leaves and young shoots, and their enormous feeding capacity can rapidly decimate a plant. Very small [...] brownish are greyish. Adult butterflies do not damage crops. Most of them feed on nectar. In contrast, the caterpillars have biting and chewing mouthparts [...] at the video or go to our Youtube channel to see our caterpillar control products in action. More caterpillar control videos How to get rid of caterpillars

Leek moth

onion leaves, the larvae feed on the parenchyma inside the hollow leaves, forming white windows closed by the epidermis. When feeding takes place at the base [...] been introduced to parts of Canada. The larvae of Acrolepiopsis assectella feed on cultivated Allium species, primarily leek and onion, but also garlic and [...] young leaves, the flower stalk or the inflorescence of the host plant. Feeding on the leaf tissue by the caterpillars causes a reduction in plant growth;

Aphidoletes aphidimyza

a recognized distributor of Koppert products for advice on the best strategy for your situation. Koppert products Aphidend Expand all items Best conditions [...] environment with a high relative humidity (> 70%) to get the best results. Feeding behaviour of Aphidoletes aphidimyza The searching behaviour of adult female [...] of the gall midge Aphidoletes aphidimyza when using it as a biocontrol product by observing distinct physical characteristics at each stage. Here's how

Feltiella acarisuga

recognized distributor of Koppert products for advice on the best strategy for your situation. Feltiella acarisuga products Spidend Expand all items Best [...] relative humidity) and at temperatures between 20 and 27°C (68 and 81°F). Feeding behaviour of Feltiella acarisuga Feltiella acarisuga works best when spider [...] us . Immediately after emerging from the eggs, the midge larvae start to feed on spider mite eggs, nymphs and adults. They use their mouthparts to first

Sportnem_leaflet_EN_A4_-_Koppert_20230441_-_DEF_LR.pdf

larvae feed on humus particles. In the second larval stage they start to feed on the roots of grasses. The older larvae overwinter and start feeding again [...] live in the soil and feed on roots and shoots of mainly grasses and cereal crops, which they pull into the ground. Larval feeding causes brown spots in [...] emerging larvae feed on roots of grasses, cereals and many other crops. It takes three to four years for the larvae to fully develop. The adults feed on the leaves