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  and the banner will no longer appear as long as the cookie is active. After the end of the cookie’s service life or if you delete the cookie, the banner [...] processing is necessary for the performance of a contract; processing is necessary for a legitimate interest. The legitimate interest is based on the following: [...] any longer than is necessary for the purposes of the processing, in view of the legitimate interest concerned, and in accordance with the statutory retention

• American serpentine leaf miner

  enter the plant tissue via the feeding spots. Life cycle and appearance of American serpentine leaf miner The life cycle of a leaf miner has the following [...] 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 [...] intermediate forms of tunnelling between these ‘plate mines’ and normal mines, making it an unreliable criterion for the identification of the species. Indirect

• Cannabis

  Cotton aphid ( Aphis gossypii) , the Potato aphid ( Macrosiphum euphorbiae) , the Green peach aphid ( Myzus persicae) , the Cannabis aphid ( Phorodon cannabis) [...] , and the Rice root aphid ( Rhopalosiphum rufiabdominale) are among the key aphid species that can infest cannabis plants. These pests have the potential [...] organic matter in the soil and can damage the roots of cannabis plants, leading to stunted growth and decreased vigour. The presence of these pests can also

• Black vine weevil

  reduces the value of ornamental plants. Life cycle and appearance of Black vine weevil The life cycle of the black vine weevil consists of an egg, 6 or [...] It belongs to the family Curculionidae. Damage symptoms The major damage is caused by the feeding of the larvae on the roots. After the roots have been [...] temperate climates, the small (0.7 mm diameter), spherical white eggs are laid from the beginning of July until around the end of October. The larvae that hatch

• Diglyphus isaea

  Adult stage: The appearance of the adult is already clearly visible. Pupae are often visible through the leaf. The parasitic wasp escapes from the mine by making [...] Diglyphus isaea The parasitic wasp Diglyphus isaea is available in a bottle ( Miglyphus ). Release parasitic wasps between the leaves of the crop in the morning [...] particularly the serpentine leafminer ( Liriomyza trifolii ). The female wasp deposits her eggs inside the larvae of the leafminer, where the emerging larvae

• Western flower thrips

  patches on leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll. When [...] finally the adult insect. The eggs of the western flower thrips (Frankliniella occidentalis) are laid in leaves, flower petals and in the soft parts of stalks [...] to plants by piercing the cells of the surface tissues and sucking out their contents, causing the surrounding tissue to die. The resulting silver-grey

• Poultry Red Mite

  and death, in extreme cases. Life cycle and appearance of Poultry red mite Belied by its name again, the poultry red mite is only red following a recent [...] Larvae resembling the adult but with only six legs emerge from the eggs after 13–51 hours and moult within 24 hours of hatching to become an eight-legged [...] maturing into the adult form. The poultry red mite can live between 5–17 days, depending on the temperature. Higher temperatures shorten the mite’s lifespan

• Cyclamen mite

  become brown near the base. Life cycle and appearance of Cyclamen mite The life cycle of the cyclamen mite ( Phytonemus pallidus ) has the following stages: [...] usual. In cyclamen, the flowers are damaged and leaf growth is inhibited. In hedera, a mite attack can cause baldness in parts of the stem. Gerbera flowers [...] used for walking. The males are smaller than the females and their hind legs are modified and used to transport pharate females. Eggs of the cyclamen mite

• House fly

  Giardia ), and the eggs of many parasitic worm species. Life cycle and appearance of House fly The adult house fly ( Musca domestica ) is 6–7 mm long, [...] organism to human populations; the housefly is always found in association with human activity. As the most common species of fly found on livestock farms [...] temperatures (around 15°C). Adult flies have an average life span of 15–25 days, but can live up to two months in the right conditions.

• Strawberry

  strawberries a prime target. The female fruit flies lay their eggs on the surface of the berries, and the hatched larvae feed on the fruit, causing damage and [...] generalist pests, the adults of which feed on the foliage of strawberry plants, and larvae on the roots. Their feeding activity can weaken the plants and result [...] promotes the growth of sooty mould and reduces the plant's ability to photosynthesise effectively. Shallot aphid Rose aphid Yellow rose aphid Crane flies