• Crane flies

  own, and 2.5 cm long. After adults emerge, part of the pupal case can be found sticking out above the soil surface. Adult common crane flies emerge from [...] (which they pull into the ground of mainly grasses and cereal crops. The adults do not cause any damage. Damage symptoms Larval feeding causes brown spots [...] on larvae and digging up turf. Life cycle and appearance of Crane flies Adult crane flies are large flies with females reaching 45-50 mm across. They have

• Cabbage looper

  close to adult emergence. Finally, the adult has a mottled grayish-brown colour with a silvery figure eight pattern on the forewings. Adults can survive [...] severely defoliated and stunted. Life cycle and appearance of Trichoplusia ni Adults can deposit up to 300 eggs on the underside margins of the upper leaves

• Tobacco whitefly

  the adult are already clearly visible. These pupae are found on the oldest leaves. The adult emerges from the pupa via a T-shaped fissure. The adult whiteflies [...] together. When shaking infested plants, adults will first fly, then return to the underside of the leaves. The adult tobacco whitefly ( Bemisia tabaci ) has [...] (often referred to as ‘pupa’ although strictly spoken this is not true) and adult. The larvae are found on the underside of young leaves and have an oval shape

• Tetrapar

  become reddish-brown. Adult wasps leave the nymphs via a round hole. Pack size 250 Presentation 140 ml bottle Developmental stage Adult Carrier None Application [...] Pests Potato psyllid ( Bactericera cockerelli ). Mode of action Adult female parasitic wasps parasitize nymphs of the fourth and fifth instar of psyllid [...] The larvae are ecoparasitic and are located under the nymph of the host. Adults have a black body, pale wings, and yellowish jointed legs. Males measure

• Greenhouse whitefly

  these pupae are found on the oldest leaves. The adult emerges from the pupa via a T-shaped fissure. The adult whiteflies can usually be found in the top of [...] their eggs. When shaking infested plants, adults will first fly, then return to the underside of the leaves. The adult greenhouse whitefly ( Trialeurodes v [...] (often referred to as ‘pupa’ although strictly spoken this is not true) and adult. The larvae are found on the underside of young leaves and have an oval shape

• 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

• 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

• Shore fly

  puparia can be found on or just below the soil surface, and new adults emerge after 4–5 days. Adult shore flies typically live between 2–3 weeks after eclosion [...] zones, and they breed readily in other moist environments. In greenhouses, adults feed on algae and their larvae on algae and decaying organic matter on planting [...] Pythium , and other root diseases. Life cycle and appearance of the Shore fly Adult Scatella shore flies are 4–5mm long with large eyes, thick bodies and short

• Shore fly

  also pupate. The adult shore fly is black, about 4 to 5 mm long, and stout with short antennae and short legs. The head of the adult has a pair of conspicuous [...] tenuicosta ) has the following stages: egg, three larval instars, a pupa and the adult fly. The eggs are laid singly and are bean-shaped. A first instar larva is

• Japanese beetle

  gradually becoming tan and finally taking on the metallic green of the adult. The adult is an attractive, broadly oval beetle, 8-11 mm long, and about 5-7 [...] symptoms Skeletonized foliage is the most common symptom of feeding by the adult. The beetles generally feed from the upper surface of leaves, chewing out [...] lacelike skeleton. Severely damaged leaves soon turn brown and drop. The adults are gregarious, usually beginning to feed on foliage at the top of a plant