• Anagyrus vladimiri

  Anagyrus vladimiri The parasitic wasp Anagyrus vladimir is available in a bottle ( Citripar ). Remove the label from the bottle according to the instructions [...] control of the mealybugs . Behaviour of the parasitic wasp Anagyrus vladimiri The female Anagyrus vladimiri lays its eggs inside the body of the mealybug [...] filaments on the lateral margins of the host. Oviposition generally lasts about 15-40 seconds. The larva of the parasitic wasp completely consumes the contents

• Aphidius matricariae

  tic for the distinction of the species are the fine stripes on side parts of the wasp waist. Aphidius matricariae is specific to aphids of the family Aphididae [...] Aphid control with the parasitic wasp Aphidius matricariae Aphidius matricariae is a parasitic wasp belonging to the family Braconidae and is widely recognised [...] small wasp is a valuable natural enemy in both agricultural and horticultural settings. Aphidius matricariae is used for the control of the following pests:

• Feltiella acarisuga

  Make sure the bottle does not fall so that the pupae are not dispersed. Leave the cap next to the bottle so that the wasps can feed on the sugar water in the [...] after emerging from the egg, the larva is yellowish white. The eggs and the first larval stages are very difficult to find in the crop due to their small [...] biological control. The predatory gall midge Feltiella acarisuga is used for the control of the following pests: Spider mites Some of the common spider mites

• Encarsia formosa

  carefully inside the greenhouse Bend and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in [...] then consumed from the inside out by the developing larvae. The larvae feed on the internal tissues of the host, leading to its death and thereby contributing [...] in colour. The pupa of E. formosa is unique among the species of Encarsia , in that it is formed immediately beneath and in contact with the whitefly pupal

• Diglyphus isaea

  body, and the third larval instar is blue-green. The full-grown larva usually pupates in the mine some distance from the dead host. Pupal stage: The pupa lies [...] 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

• Aphelinus abdominalis

  the antennae. She turns herself around, curls up the wing tips, and will try to pierce the aphid in the abdomen with her long ovipositor. The ovipositor [...] with the parasitic wasp Aphelinus abdominalis Aphelinus abdominalis is a parasitic wasp for the biological control of various aphid species. 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

• Early blight

  General The only known stage in all Alternaria species is the asexual stage. Conidia and mycelium overwinter in the soil and on crop residues and cause [...] occur at the side of the stem. Life cycle and appearance of Early blight From the primary infection of leaves, Alternaria solani can spread to the flowers [...] spores surviving in the soil are the main source of infection. Especially wheat and barley reduce the number of surviving conidia in the soil. Use resistant

• 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 organisation for the Municipality [...] management became necessary. ‘We think it is important to maintain the biodiversity in the centre, and public opinion is quite sensitive to spraying here. We

• Loose smut of barley

  survives inside the seed and when the seed germinates, the mycelium of the fungus grows upwards inside the plant into the growing tip and the seed primordia. It [...] smut of barley The seeds are infected during flowering and the infected seeds are the primary source of inoculum in the next crop. The fungus survives [...] invisible until head emergence. The first sign of infection is the appearance of a smutted ear. Instead of normal tissue, the ear contains a mass of olive-brown

• Aphidius colemani

  of the Aphidiidae. First the host is examined by drumming with the antennae. This gives the wasp the information about whether the aphid is the right species [...] Aphidius colemani is widely used in the biological control of aphids . Aphidius colemani is used for the control of the following pests: Cotton aphid ( Aphis [...] of the aphid population by the presence of the parasitic wasp also has an effect: the alarmed aphids secrete a warning substance, which affects the entire