• Two-spotted spider mite

  greenhouses and many outdoor crops. Spider mite damage Larvae, nymphs and adults cause damage to the host plant by feeding on plant sap. They mainly occur [...] damage of the leaf surface can lead to loss of the crop. The nymphs and adults also produce webs, and plants can get completely covered with such webs [...] two-spotted spider mite Two-spotted spider mites are small and have eight legs. Adult females are about 0.5 mm long. They have an oval body that is rounded at

• Impatiens thrips

  pupa, and finally the adult insect. Impatiens thrips (Echinothrips americanus) completes its entire development from egg to adult on the plant, specifically [...] on the ground. The prepupae and pupae remain immobile on the leaf tissue. Adults are found on both upper- and undersides of the leaves. This species of thrips

• Black vine weevil

  larval instars, a pupal instar and the adult beetle. In temperate climates in the Northern hemisphere, the first adult weevils appear around May. They are [...] 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 species [...] more resistant to damage than young plants or just planted cuttings. The adult beetles are only active at night, taking round bites out of the leaves, starting

• Rhyzobug

  Aulacaspis spp ., and other species of armoured scale insects. Mode of action Adults and larvae feed on all stages of armoured scale insects. Visual effect Small [...] feeding damage is visible as irregular holes in the scale cover. Pack size 500 adults. Presentation 90 ml cardboard tube. Carrier Buckwheat hulls. Application [...] Open the cap and tap the beetles directly on the plants. Be aware that adults may not fly away immediately after release. Dosage The dosage of Rhyzobug

• Whitefly

  appearance. Adult whiteflies are mostly found on the underside of young leaves where they lay their eggs. If the plant is shaken, the adults fly up, and [...] very effective for whitefly control. Sticky traps help monitor and capture adult whiteflies. With Koppert’s biological solutions for whitefly, professional [...] usually white or pale yellow in color. This is due to the wax produced by the adults, which is covering their body and wings. Some species have dark markings

• Lesser house fly

  hen houses, making them a particularly annoying deterrent for employees. Adult flies can spread many different pathogens from contaminated breeding sites [...] medium-sized to small flies with dark bodies and legs. When the flies mate, adult males will form swarms in areas with still air out of direct sunlight where [...] larval form, and the flies develop for another week before emerging as new adults. The lesser house fly ’s full life cycle generally takes between 18–22 days

• Phytoseiulus persimilis

  with their mouthparts and suck out the contents. The adult Phytoseiulus persimilis also attacks adult spider mites but the earlier development stages only [...] between 15 and 25°C. At about 20°C with good prey supply, an adult female consumes up to five adult spider mites or 20 young larvae or eggs per day. Because [...] protonymphal, deutonymphal and adult stages the mites feed almost continuously. Protonymphs and deutonymphs are similar to the adults in appearance, but smaller

• Tomato pinworm

  glochinella). For control, pheromones are usually used to disrupt the mating of adults, preventing oviposition. Damage symptoms The tomato pinworm attacks both [...] creating a green pupal cell which darkens to brown before emergence of the adult. The number of days in this instar varies a great deal since it can take [...] total life cycle takes about 26 days at 25°C and 100 days at 13°C. When adults emerge, they are approximately 9 to 12 mm in size and their main characteristic

• Cotton leafworm

  young grains in the ear. Life cycle and appearance of Cotton leafworm Each adult female of the cotton leafworm (Spodoptera littoralis) can lay up to 3,000 [...] pupa is 15 to 20 mm long and reddish brown in colour. The forewings of the adult cotton leafworm (Spodoptera littoralis) are brownish with blueish overtones [...] pronounced in the male. The hindwings are whitish, with a brown leading edge. Adults are only active at night.

• Coleobug

  to its adaptability and generalist diet. Mode of action Both larvae and adults actively explore the environment in search of prey, guided by visual and [...] larvae are especially voracious and can consume more than 30 aphids per day. Adults also maintain a high consumption rate. Both life stages feed on all aphid [...] has a distinctive and easily recognizable appearance among lady beetles . Adults are 4–7 mm long and have a bright pink or reddish-pink body. They typically