• Aphelinus abdominalis

  Host feeding plays an important role in reducing pest numbers, with the adult wasp piercing the aphid with her ovipositor, and sucking it empty without [...] roughly equal measure. Life cycle and appearance of Aphelinus abdominalis An adult Aphelinus abdominalis is 2.5 to 3 mm in length, with short legs and short [...] colour. A parasitized aphid hardens to become a leathery, black mummy. The adult wasp appears through an irregularly serrated hole at the posterior end of

• 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

• Pea leaf miner

  instar and the adult fly. Adult leaf miners are small yellow and black coloured flies , at most only several millimetres long. When the adult females feed [...] of leaf miner. The older larvae make wider tunnels. Feeding spots made by adult females can also reduce yield, although except with ornamental crops, this

• 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

• Yellow rose aphid

  The yellow rose aphids usually live in young unfolded leaves. Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones [...] Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place [...] a bright green abdomen with black dorsal markings. The size of wingless adults is 1.2-2.5 mm, winged specimens are 1.4-2.2. mm

• Click beetles

  more severe in young plants. Life cycle and appearance of Click beetles Adult Agriotis sp. are 6-10 mm long and yellowish brown to black. The eggs are [...] to 5 years. When fully grown the larvae pupate in the soil in summer. The adults appear about 4 weeks after pupation, but usually remain in the soil until

• Ephedrus cerasicola

  egg to adult, of Ephedrus cerasicola in Myzus persicae on paprika, lasts 33.7 days at 15°C, about 21 days at 21°C,and 19 days at 24°C. The adult lifespan [...] to 26.2 days at 15°C. Life cycle and appearance of Ephedrus cerasicola Adult parasitic wasps of Ephedrus cerasicola are black, approx. 4-5 mm in length [...] abdominalis , and when detached from the leaf, has a silvery underside. The adult parasitic wasp emerges through a round hole at the rear of the mummy. In

• Minusa

  Pests Leaf miners ( Lyriomyza spp.). Mode of action The adult female parasitic wasps of Dacnusa sibirica preferably lay their eggs inside first and second [...] miner larva. The parasitic wasps develop inside the leaf miner pupa. The adult wasp will emerge from the pupa. Visual effect It is not possible to see on [...] outside if the leaf miner larvae or pupae are parasitised. Pack size 500 adults. Presentation 100 ml bottle. Carrier None. Application Release parasitic

• 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

• Macrolophus pygmaeus

  pygmaeus adults are small, slender predatory bugs with distinctive black markings, while the nymphs are pale green with red eyes. Both adults and nymphs [...] pygmaeus consists of an egg stage, five nymphal instars and the adult insect. Adult females are 3.0-3.6 mm long and the males between 2.9-3.1 mm. They