Silver-Y moth

Damage symptoms The larvae feed on leaves, causing typical caterpillar damage. Feeding damage includes feeding on the leaf epidermis and on the petiole, sk [...] feature is the irregular white mark. The hindwings are brown with a broad, dark band along the margin. The body is light brown and hairy, the antennae are [...] with their wings folded roof-like above the body. The female lays up to 2,000 eggs on the underside of the leaves of their host plant, usually separately but

Shore fly

often in the vicinity of water. They feed on algae. Other shore fly species have diverse feeding habits but the larvae of most species feed on rotting material [...] occur on such a scale that growth, particularly of young cuttings, can be retarded. Life cycle and appearance of Shore fly The life cycle of the shore [...] shore fly ( Scatella tenuicosta ) has the following stages: egg, three larval instars, a pupa and the adult fly. The eggs are laid singly and are bean-shaped

Apple rosy aphid

and on the base of buds of apple trees. The eggs hatch in spring and at first the aphids attack buds, spur leaves and rosette leaves. Later the infestation [...] malformed and ripen prematurely. Feeding of aphids directly on fruits causes reddish blotches on the skin. Life cycle and appearance of Rosy apple aphid Aphids [...] wax. The siphunculi are black and tapered, the cauda is dark, short and triangular. Dysaphis plantaginea lays eggs in autumn in bark crevices on spurs

Grower Koen - Embracing biological crop protection in agriculture

a conscious choice. Inheriting the farm from his parents, Koen had the opportunity to continue the business. While the trend towards organic farming was [...] organic farming marks the path to the future. "You grow into it a bit," notes Koen. With the growing availability of knowledge and the number of biological [...] collaboration with Koppert The use of biological crop protection presented challenges, but Koen embraced the change and emphasizes that the effectiveness of products

Southern European marshland pyralid

tile-like fashion on both the upper and lower surface of leaves close to the veins, or low on the stem or stalk close to the ground. The pinkish red eggs [...] caterpillars often stay in the lower strata of the crop, sometimes attacking the stem of the plant as well as the leaves. Late instar larvae burrow into soft [...] low in the crop, often in decaying organic material on the ground or substrate. They feed on detritus as well as life materials. Young larvae feed on the

Cutworms

darker. They are laid separately or in batches on the ground, or on the plant close to ground level. The larvae are yellowish when hatching with a dark [...] species are for instance the black cutworm Agrotis ipsilon and the turnip moth Agrotis segetum . The larvae of these moths usually feed on roots and plant parts [...] will occasionally tunnel into the growing stalk, disrupting the sap flow in the plant. Life cycle and appearance of Cutworms The adults of Agrotis spp. have

Bacterial soft rot, bacterial stem rot

wilt at the time of first harvest or after that. The pith disintegrates and the stem becomes hollow. Because of the bacterial growth in the pith, the stem [...] stem seems wet and slimy. Above or below the hollow stem the vascular tissue keeps its normal colour. On the fruits, lesions first are small and sunken, w [...] It can survive as epiphytic bacteria on various plants or in the soil in low densities. It has also been found in the gut of insects, possibly spreading

Oleander aphid

rather than eggs and that the progeny are clones of the adult female. The nymphs feed in colonies on the shoots at the top of the plant. Nymphs progress through [...] aphids can easily be seen on the shoots of the host plants. The damage caused by the aphid colonies is mainly aesthetic due to the large amounts of sticky [...] throughout the world. It probably originated in the Mediterranean region, the origin of its principal host plant, oleander. Damage symptoms The colonies

Transeius montdorensis

of the cap to open the dosage hole Carefully sprinkle material on leaves Make sure the material remains on the leaves for at least a few hours after in [...] sachets by the cardboard strip at the top, to avoid damaging the predatory mites The dosage of Montdo-Mite Plus and Montdo Ulti-Mite depends on climate, [...] case the predatory mites multiply in the sachet and disperse into the crop over a period of several weeks. Hang sachets in sheltered locations in the crop

Hemp russet mite

Damage is caused by the mites sucking out the contents of plant cells. Hemp russet mite develops on the stems and petioles of the hemp plant and can cause [...] 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, whereas other mite [...] cause stunting. When populations are large, the mites can also be found on the underside of leaves. This results in smaller leaf size and suppressed bud