• Diglyphus isaea

  Adult stage: The appearance of the adult is already clearly visible. Pupae are often visible through the leaf. The parasitic wasp escapes from the mine by making [...] programs. Diglyphus isaea is used for the control of the following pests: Leaf miners The parasitic wasp Diglyphus isaea is available at Koppert as Miglyphus [...] Diglyphus isaea The parasitic wasp Diglyphus isaea is available in a bottle ( Miglyphus ). Release parasitic wasps between the leaves of the crop in the morning

• Shore fly

  particularly of young cuttings, can be retarded. Life cycle and appearance of Shore fly The life cycle of the shore fly ( Scatella tenuicosta ) has the following [...] translucent and their body is cylindrical. The larvae are found in the top layer of damp soil, where they also pupate. The adult shore fly is black, about 4 to [...] and stout with short antennae and short legs. The head of the adult has a pair of conspicuous eyes. The wings have grey-brown patches. Although shore flies

• Aphidius matricariae

  stripes on side parts of the wasp waist. Aphidius matricariae is specific to aphids of the family Aphididae. Most species belong to the genera Myzus, Aphis [...] matricariae is most effective between 15 and 25°C (59 and 77°F). The effectivity is reduced at temperatures above 28°C/82°F. Behaviour of the parasitic wasp [...] appearance of Aphidius matricariae Adults are 3-4 mm golden brown wasps with long antennae. Characteristic for the distinction of the species are the fine stripes

• Praon volucre

  . Praon volucre is one of the most abundant parasitoids of many aphid species in Europe. Praon volucre is used for the control of the following pests: [...] Praon volucre The parasitic wasp Praon volucre is available in a bottle ( Aphiscout ) Peel off the outer layer of the label starting at the upper right corner [...] Hang the cylinder horizontally from a crop wire, branch, or leaf stalk by winding the label around it and sticking the end of the label back onto the label

• Hemp russet mite

  segmented. The body appears to be divided into two parts: the head with the mouthparts, and the rest of the body. All mobile stages have only two pairs of legs [...] sucking out the contents of plant cells. Hemp russet mite develops on the stems and petioles of the hemp plant and can cause stunting. When populations are [...] upward curling of leaf edges. Life cycle and appearance of Hemp russet mite All life stages of the hemp russet mite are extremely small and difficult to observe

• Black tea thrips

  droplets of black excrement from the thrips. Life cycle and appearance of Black tea thrips Adult black tea thrips are dark brown with the apex of the abdomen [...] pads and larger eyes. It is yellowish and then darkens with age. The antennae are bent backward over the head in the pupal stage. The prepupal and pupal stages [...] symptoms The black tea thrips feeds primarily on the foliage of ornamental plants. It attacks the lower surface first and, as feeding progresses and the population

• Aphelinus abdominalis

  with the parasitic wasp Aphelinus abdominalis Aphelinus abdominalis is a parasitic wasp for the biological control of various aphid species. The parasitic [...] conditions for use of Aphelinus abdominalis The parasitic wasp Aphelinus abdominalis is effective between 15 and 35°C (59 and 95°F). Behaviour of the parasitic [...] for host feeding while the larger individuals are parasitized. The control of the aphids is due to host feeding and parasitization in roughly equal measure

• Ephedrus cerasicola

  inside the aphid where the larva of the parasitic wasp will develop. Before the development of the larva has ended, it spins a cocoon inside the aphid. [...] natural enemy is used for the control of aphids in agricultural and horticultural settings. Ephedrus cerasicola is used for the control of the following pests: [...] cerasicola The parasitic wasp Ephedrus cerasicola is available in a bottle ( Aphiscout ) Peel off the outer layer of the label starting at the upper right

• Fusarium wilt

  inside the vessel system of the host plant and spreads upwards inside the plants. The other species are dispersed upwards on the outside of the plant. [...] one side of the plant. Finally, the whole plant wilts. Other symptoms are brown discolouration of the xylem vessels which can be seen when the stems are [...] greenhouses Prevent stress for the plants Ensure there is adequate soil drainage Apply nitrogen in the form of nitrate instead of ammonium Prevent damage during

• Municipality Doetinchem: Entonem nematodes managing oak processionary caterpillar

  breaching the monocultures of the oak and stimulating the natural enemies of the oak processionary caterpillar. As already stated, the use of nematodes is an [...] oak trees in the forests and plantations around Doetinchem. Marc van Rijswijk is the spokesman for Buha, the implementing organization for the Municipality [...] nematode product Entonem . A major advantage is that the bycatch of other caterpillars is much lower, which is a great benefit to biodiversity. In mid-April