• 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

• Atheta

  leaves. Adults and larvae are active and aggressive predators of sciarid fly (Sciara) and shore fly (Scatella) eggs, larvae and pupae. Adults also prey [...] capability, adults can travel throughout a greenhouse, ensuring good distribution and fast population development. Total development time from egg to adult takes [...] three weeks at 25ºC. After that period the adult predatory beetle will be active for approx. three weeks. An adult female will lay 8 eggs per day during the

• Flies

  affect crop hygiene. Their larvae can damage roots and growing media, while adults can cause contamination. Effective fly control is essential to maintain [...] combines targeted monitoring and natural enemies that reduce both larval and adult populations: Beneficial nematodes Predatory mites Pheromone traps, lures [...] mites target fly larvae in the soil, while traps and attractants reduce adult populations and support monitoring. With Koppert’s biological solutions for

• Cryptolaemus montrouzieri

  entirely. Adult ladybirds and young larvae prefer the eggs and young larvae, while older larvae appear to prey on all stages of mealybugs equally. Adult ladybirds [...] resemble fullgrown larvae, but are inactive, attached to the surface. Adult stage: Adult Cryptolaemus montrouzieri are small beetles with a dark brown or black [...] At a temperature of 21°C, during the whole period of its development to adult beetle, a larva eats more than 25 second and third instar mealybug nymphs

• 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

• 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

• 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

• 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

• Poultry Red Mite

  following a recent blood meal, otherwise the mite appears white, grey or black. Adults are about 1 mm long (0.04 inches) and have long legs. They are typically [...] through five recognized life stages: egg, larva, protonymph, deutonymph and adult. After mating, female mites lay 4–8 eggs per day over a period of three days [...] days, taking a blood meal between each batch. Larvae resembling the adult but with only six legs emerge from the eggs after 13–51 hours and moult within