Pollination

Limonica Ulti-Mite

Bemisia tabaci ). Crops Do not use in tomato. Mode of action Predatory mites multiply in the sachet and disperse into the crop over a period of several weeks [...] Presentation Sachets in cardboard box. Carrier Millet husks, bran and sawdust. Application Hang sachets in sheltered locations in the crop, not exposed to [...] already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory mites Dosage The dosage of Limonica Ulti-Mite depends

Chafers

wn in colour. The adult beetles fly in the evening, generally in June and July and land on trees to mate. During the night the females move to the ground [...] General The chafers are beetles of the Scarabaeidae family. The larvae of both species live in the soil and feed on the roots of many plants. They are [...] their eggs. Eggs are shiny and white. The eggs hatch after about four weeks and the larvae start to feed on roots. The larvae are white-coloured, C-shaped

Click beetles

fully grown the larvae pupate in the soil in summer. The adults appear about 4 weeks after pupation, but usually remain in the soil until the following spring [...] laid in May or June in groups in the soil. They hatch about one month later and the larvae start to feed on roots. The larvae (‘wireworms’) are long, thin [...] and feed on the roots of many plants. Damage symptoms The click beetles feed on the roots and bore into the base of plants. This can cause the plants to

Apple scab

Venturia inaequalis primarily survives the winter in infected fallen leaves on the orchard floor. Within these leaves, the fungus forms pseudothecia, which produce [...] Apple scab is one of the most economically important fungal diseases of apple worldwide. Caused by the fungus Venturia inaequalis , the disease infects leaves [...] released during spring and initiate new infections. In mild climates, the fungus may also overwinter in infected buds and produce conidia, providing an additional

Obscure mealybug

wax, the filaments around the body are longer (20-50% of the body size) and the two tail filaments are always markedly longer than the others. The obscure [...] primarily at the foot of the stalk. In an overhead wire system of cultivation, the mealybugs are often located on the horizontal part of the stalk. These [...] their name from the fact that the body of the females from the third nymphal instar onwards are covered with a white waxy material in the form of powder

Cryptolaemus montrouzieri

citrus mealybug and the long-tailed mealybug . The predatory beetle Cryptolaemus montrouzieri is used for the control of the following pests: Mealybugs : e.g [...] most effective in controlling large populations of mealybugs. Once the supply of mealybugs becomes inadequate, the ladybirds fly off in search of new prey [...] than 25 second and third instar mealybug nymphs. The larvae of the late third and fourth in stars are the most voracious, consuming up to 30 mealybugs per

Municipality Venray: biological control of oak processionary caterpillars

In the Municipality of Venray a third of the tree stock in the area, some 11,000 trees, is oak. ‘We’ve been using Koppert’s nematode product Entonem as [...] spraying in those places, which means that the nematodes are more easily blown away. In some cases, we have to take curative action and extract the nests [...] for the Municipality of Venray. ‘We use nematodes at locations in outlying areas where there might be protected species of butterfly and moth. The major

Macrocheles robustulus

Lyprauta larvae The predatory mites feed on larvae of sciarid flies , thrips pupae and other soil-dwelling insects. The mites appear in and on the soil and at [...] nematodes and other soil living pests, which can be found in high numbers in greenhouses in soil which has been enriched with compost. As natural enemies [...] role in integrated pest management (IPM) strategies. Macrocheles robustulus for pest control Macrocheles robustulus is used for the control of the following

Brown soft scale

of the scale darkens as the female ages. The size, shape and characteristics of the female also vary with different host plants. The middle of the scale [...] hesperidum is often attended by ants. The ants will clean and protect the coccids and in turn benefit from a rich food source. The honeydew also quickly becomes [...] emerges from the egg under the mother’s scale. The pink crawlers are active for two or three days and disperse locally before settling. Once fixed in position