• Long-tailed mealybug

  growth and causing deformation and / or yellowing of leaves, sometimes followed by defoliation. The overall effect is a reduction of photosynthesis and therefore [...] yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order to gain an adequate intake of protein, mealybugs must [...] Fruit and flowers are also fouled, rendering them unfit for sale, and the reduced level of photosynthesis in the leaves also reduces flower and fruit

• Horse-chestnut leaf miner

  mine in horse chestnut leaves go to four (occasionally five instars) and their size varies form 0.5 mm in the firsts instar up to 3.5 mm in the fourth instar [...] miner damage leaves by feeding between the upper and lower parenchyma. The mine starts to turn yellow and later brown. By this time, the damage is very visible [...] defoliated, year after year. Life cycle and appearance of Horse-chestnut leaf miner The adult moth is 4-5 mm long and a rich brown colour with bright white

• Vine mealybug

  tail filaments and transparent wings and has no mouthparts. The female is larger (3 mm) and voluminous, has an elongated oval shape and has no wings. The [...] growth and causing deformation and / or yellowing of leaves, sometimes followed by defoliation. The overall effect is a reduction of photosynthesis and therefore [...] yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order to gain an adequate intake of protein, mealybugs must

• Potato aphid

  Various vegetable and ornamental crops grown in greenhouses are colonized, including tomato, aubergine and roses. Damage symptoms Nymphs and adults extract [...] production. Life cycle and appearance of Potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in [...] death of young plants. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars, but has a low protein content. Aphids therefore need to extract

• Transforming crop protection: the rise of predatory mites

  July 21, 2025

  science and practical driven - and I knew I wanted to be part of that.” The Swirskii breakthrough that changed everything One of his earliest and most impactful [...] triggered a real shift in mentality in Almeria.” Scaling up: strawberries, citrus, and beyond From greenhouses to open fields, the success of Swirski-Mite opened [...] field. And we’ve adapted formats too, like Ulti-Mite sachets, to withstand heat and humidity.” Looking ahead: predatory mites in outdoor crops and global

• Green peach aphid

  least 100 different viruses and is thus rightfully feared by many growers. Nymphs and adults extract nutrients from the plant and disturb the balance of growth [...] tips. Life cycle and appearance of green peach aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety [...] have a brown-black head and thorax and a yellow-green to green or even reddish abdomen. They have a dark brown spot on the abdomen and several transverse black

• Garden chafer

  feeds on roots of grasses and clover. The adults feed on the leaves of trees like oak, hazelnut and birch and on the flowers and developing fruits of, for [...] move into corms, rhizomes and stem bases of plants. Larvae can also feed above ground within stems of plants and on strawberry fruits lying on the ground [...] brown heads and whitish bodies, and normally lie in a characteristic 'C-shaped' position. They possess three pairs of legs, of which the middle and hind pairs

• Trianum-G

  be taken up better. This leads to a stronger and more uniform crop and better yields. This effect is stronger when the plant is under stress and/or cultivated [...] nutrient uptake and plant growth. Diseases Trichoderma harzianum T-22 protects against soil-borne diseases such as Pythium spp., Rhizoctonia spp. and Fusarium [...] down and the pathogens die. Strengthening of the plant Trianum-G improves the root system through the formation of more root hairs, so that water and nutrients

• Obscure mealybug

  the crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing of leaves, sometimes [...] reduction of photosynthesis and therefore the yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order to gain an adequate [...] Fruit and flowers are also fouled, rendering them unfit for sale, and the reduced level of photosynthesis in the leaves also reduces flower and fruit

• Cabbage leafroller

  much lighter and have dark lateral stripes. The caterpillars are relatively thin and measure up to 25 mm in length. They are slightly hairy and have four [...] such as strawberry, currant, blackberry and raspberry can all serve as hosts. Damage symptoms Caterpillars feed mainly on leaves, flowers and buds. Older [...] caterpillars eat a hole in the shoot and hollow it out, causing the shoot or growing point to wilt and die. Life cycle and appearance of Cabbage leafroller