Southern European marshland pyralid

conspicuous, as are the four dark dots behind the head capsule. There are 4 pairs of prolegs. Caterpillars are found in webs, preferably in damp, humid places [...] at night, but can sometimes be seen in the daytime. Eggs are laid singly or in groups of 5 to 10 eggs, overlapping in a tile-like fashion on both the upper [...] caterpillars pupate in an earthen cocoon, concealed either within the crop or in another suitable spot in the vicinity. Pupation occurs in a cocoon made of

Rose aphid

is dark in colour. The siphunculi are black and bent outwards. The rose aphid usually overwinters on rose bushes in the egg stage, although in mild winter [...] colonies of aphids can build up on roses in spring and summer; sometimes shoots are completely covered by aphids. In summer, winged aphids spread the infestation [...] widely spread in Europe. Damage symptoms Infestations with rose aphids retard the growth of buds and new shoots. Foliage and flowers are often disfigured

Vine mealybug

adult. The eggs are golden-yellow in color and are deposited in an cottony egg sac (ovisac) containing from 300-500 eggs. The nymphs are very similar to [...] yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order to gain an adequate intake of protein, mealybugs must [...] to the adult female, even if they are smaller. The prepupa and pupa stages are present only in the male. After a complete metamorphosis, a winged male emerges

Spotted Wing Drosophila

drosophila Adult spotted-wing drosophila are small, 2-3 mm in lengthg, and have a wingspan of 6-8 mm. Males are smaller than females. They can be easily [...] Eggs are white, 0.6 long and 0.2 mm wide. Each egg has two respiratory tubes which stick out of the fruit. There are three larval instars and in the third [...] 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

Cabbage moth

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 with white [...] The eggs are initially light and translucent, becoming steadily darker until they are a brown-black or sometimes even a purple colour. They are ridged and [...] caterpillar varies in colour from green or brown to black. In younger instars, the relatively large head capsule is conspicuous. In older instars, the

Apple rosy aphid

plantaginea lays eggs in autumn in bark crevices on spurs and smaller branches, and on the base of buds of apple trees. The eggs hatch in spring and at first [...] By late May or June (in the northern hemisphere) multiple large colonies may be present on the trees. Winged aphids are produced in June or July. They move [...] Dysaphis plantaginea , is a serious apple pest. It is widespread in Europe and also occurs in Africa, North and South America, and Asia and can cause severe

Cutworms

may be encountered in the soil in a characteristic, circular position. Pupa are brown to dark brown and 17-25 mm long. Females are capable of laying several [...] covered with close-lying hairs. The eggs are white at first but rapidly turn darker. They are laid separately or in batches on the ground, or on the plant [...] General Cutworms ( Agrotis spp.) are occurring worldwide. Important species are for instance the black cutworm Agrotis ipsilon and the turnip moth Agrotis

Amazone Plants continues the path of organic cultivation

plants. In the end, everything more or less turned out fine – the plants in 12 cm pots were sold in 14 cm pots in the summer, and the plants in 14 cm pots [...] spring and in the autumn. Wim van der Meer explains, ‘Koppert is involved in a trial in which we are investigating whether Chrysopa eggs are effective at [...] therefore occur in the greenhouse that only become noticeable once the plants are in the hall. Fantastic results with Swirski-LD The main pests are the Western

Black vine weevil

sulcatus, is a pest in many ornamental crops (e.g. rhododendron, cyclamen and azalea), as well as in strawberries and other fruit crops in both temperate and [...] instar and the adult beetle. In temperate climates in the Northern hemisphere, the first adult weevils appear around May. They are approximately 7 - 10 mm long [...] under lumps of e, in vegetation and under planks etc . In temperate climates, the small (0.7 mm diameter), spherical white eggs are laid from the beginning

Tomato leafminer

place in the soil or on the surface of a leaf, in a curled leaf or in a mine. If they leave the mines they build silk cocoons on the leaflets or in the soil [...] absoluta ) are grey-brown with filiform antennae, alternating light or dark segments and recurved labial palps, that are well developed. Black spots are present [...] symptoms of damage done by the tomato leaf miner ( Tuta absoluta) are the blotch-shaped mines in the leaves. Caterpillars prefer leaves and stems, but they may