Chafers

smaller; about 13-15 mm long and reddish-brown in colour. The adult beetles fly in the evening, generally in June and July and land on trees to mate. During [...] 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 a serious pest that [...] and wilting of plants. Damage can be severe on young plants and especially in grassland and turf. There, secondary damage is often caused by birds and small

Spotted Wing Drosophila

the start of its invasion in 2008/2009, the spotted wing drosophila, which is originally from Asia, has spread extensively in North and South America and [...] unripe fruits. The larval development takes place in the fruit. The larvae pupate either fully or partly in the fruit, or outside the fruit on the ground. [...] and Europe where it has caused severe yield losses in many berry crops, cherries and grapes. Damage symptoms After oviposition, the respiration tubes extend

Diamond back moth

often stick to leaves and frequently hide in crevices near the bud. In cauliflower and broccoli, pupation may occur in the florets. Initially, the pupa is [...] They are deposited singly or in small groups of two or ten eggs on both the upper and lower surface of leaves, preferentially in depressions, and rarely on [...] The diamond back moth (Plutella xylostella) is suggested to have its origin in Europe, South Africa or East Asia, but is now present wherever its cruciferous

Cabbage moth

caterpillar varies in colour from green or brown to black. In younger instars, the relatively large head capsule is conspicuous. In older instars, the [...] kidney-shaped white-rimmed marking in the middle. The hindwings are light brown with a rather inconspicuous spot in the middle. Head and thorax are grey-brown [...] onion, rhubarb as well as chrysanthemum and carnation. It is a species found in Europe, North Africa (Libya, Canary Islands), Japan and sub-tropical Asia

Caterpillars

often live in rolled-up leaves. Although some species are restricted to a single crop, most are polyphagous. Find solutions for caterpillars in your crop [...] caterpillars. Some species mine in leaves or bore holes into fruit or stems, making them difficult to detect and control. In addition to consumption of the [...] greyish. Adult butterflies do not damage crops. Most of them feed on nectar. In contrast, the caterpillars have biting and chewing mouthparts and can devour

Tomato russet mite

plants. Aculops lycopersici was detected for the first time in Australia and is a pest in tomatoes in all areas where they are grown. Other members of the plant [...] turn a rusty brown colour, and in serious cases they may snap. The fruit can also be affected, and when this happens in tomatoes, the skin becomes coarse [...] or three days. They are cream to orange-yellow in colour, wedge-shaped and very small (roughly 0.17 mm in length), with males being slightly smaller than

Cotton aphid

occurs early enough in the season, the death of young plants. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars, but has a low [...] cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses reproduction takes place by parthenogenesis, with unfertilized [...] d throughout the world but prefers the warmer regions. It has been a pest in European greenhouses since the late 1980’s, particularly affecting cucumber

Leaf miners

cosmetic damage. In (sub)tropical areas this can lead to burning in fruit such as tomato and melon. Loss of leaves also reduces yield. In full-grown plants [...] species in this family, only eleven are truly polyphagous. The species that cause most damage all belong to the genus Liriomyza and are very common in temperate [...] creating ‘mines’. There are many species of leaf miner affecting various crops in temperate parts of the world. Under natural conditions, the larvae of these

Buckthorn-potato aphid

cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized [...] produced parthenogenetically. They are usually found in the lower parts of the plants and are not very mobile. In autumn, winged males and females are produced [...] Buckthorn- potato aphid does not cause plant deformation. The major problem in potatoes is the transmission of viruses. Life cycle and appearance of Buc

Two-spotted spider mite

yellow, and in many plants the damage can also be seen on the upper surface of leaves as small yellow dots. The destruction of cells results in reduced p [...] such webs in which the mites live. The webbing and spotting on the leaves affects the appearance of the crop. This is of particular concern in ornamental [...] name, “two-spotted spider mite”. The spots can vary in both form and size. The red eyes can be seen in all stages. Recognize two-spotted spider mite Spider