• Encarsia formosa

  products En-Strip Enermix Expand all items How to use Encarsia formosa The parasitic wasp Encarsia formosa is available on cardboard strips as single species ( [...] inside the whitefly nymphs, which are then consumed from the inside out by the developing larvae. The larvae feed on the internal tissues of the host, [...] based on the density of the whitefly population, making it a valuable tool in integrated pest management . The wasps themselves do not feed on whiteflies

• Rose aphid

  of buds and new shoots. Foliage and flowers are often disfigured and contaminated with sticky honeydew on which black sooty moulds develop. Life cycle [...] rose aphid are 1.7-3.6 mm long and green or deep pink to red-brown. The antennae and sometimes the head is dark in colour. The siphunculi are black and [...] netically. Large colonies of aphids can build up on roses in spring and summer; sometimes shoots are completely covered by aphids. In summer, winged aphids

• Shore fly

  They feed on algae. Other shore fly species have diverse feeding habits but the larvae of most species feed on rotting material. Shore flies are commonly [...] the adult fly. The eggs are laid singly and are bean-shaped. A first instar larva is translucent white. Second instar larvae are brownish, less translucent [...] feed on green algae. However, they can transmit plant diseases and can be a nuisance to greenhouse works by their sheer numbers. Frass deposited on leaves

• Hemp russet mite

  mite develops on the stems and petioles of the hemp plant and can cause stunting. When populations are large, the mites can also be found on the underside [...] nymphal stages are sometimes also called larva (1st stage) and nymph (2nd stage). The eggs are approximately 0.05 mm in diameter and adults are around 0.2 [...] freely (vagrant) on hemp/cannabis plants. Aculops cannabicola is host specific to hemp/cannabis ( Cannabis sativa ). It cannot survive on other plants. Damage

• Shallot aphid

  shallot aphid on strawberries invokes a strong host plant reaction. Infested plants become severely stunted when growth starts in spring. Petioles are shortened [...] leaves curled and twisted. Blossom trusses are also affected, fruits remain small and yield is reduced. On bulbs and shallot, the aphids often occur at [...] Wingless females of the shallot aphid are 1.1-2.2 mm long and shiny brownish green to dirty yellow. Their legs and antennae are pale, apart from the ends of the

• Lyprauta

  which are small earthworms of the family Enchytraeidae. Damage symptoms The symptoms are superficial damage on roots. Especially the root tips are affected [...] dark-coloured mark on the apical wing parts as well as two smaller marks. Adults of L. chacoensis have only one small dark-coloured spot on their wings. The [...] The eggs of Lyprauta sp. are greyish-black and spherical. Larvae of Lyprauta sp. are a transparent greyish white and have a long slender body. The head

• Pepper weevil

  When they are already present on the crop, the best approach is to monitor them during the cooler parts of the day, as this is when they are most active [...] hard bodies and are small in size. They prefer crops from the Solanaceae family, especially the Capsicum genus (peppers); they feed on this fruit, lay [...] immature fruit. On average, a female weevil lays 341 eggs over the full oviposition period, which hatch after four days. The larvae are whitish and plump

• Diglyphus isaea

  changing pest pressures. Adult Diglyphus isaea does not feed on leafminers but sustains itself on nectar and honeydew. Life cycle and appearance of Diglyphus [...] Koppert as Miglyphus Diglyphus isaea products Miglyphus Expand all items How to use Diglyphus isaea The parasitic wasp Diglyphus isaea is available in [...] or in the evening The dosage of the parasitic wasp Diglyphus isaea depends on climate, crop and leaf miner density and should always be adjusted to the

• Dacnusa sibirica

  and second instars. Their eggs are laid in the larvae and the adults emerge from the host pupae. Eggs of Dacnusa sibirica are oval and a clear white colour [...] at Koppert as Minusa . Dacnusa sibirica products Minusa Expand all items How to use Dacnusa sibirica The parasitic wasp Dacnusa sibirica is available in [...] of the crop in the morning or in the evening The dosage of Minusa depends on climate, crop and leaf miner density and should always be adjusted to the

• Buckthorn-potato aphid

  wingless and winged forms are produced parthenogenetically. They are usually found in the lower parts of the plants and are not very mobile. In autumn [...] females of the buckthorn- potato aphid are 1.1-2.4 mm long and bright pale green to yellowish green. The antenna are relatively short and barely exceed half [...] body length. The aphids overwinter as eggs on buckthorn. After emerging in spring, the aphids mainly feed on the underside of leaves of their summer hosts