Long-tailed mealybug

it is widespread throughout the world. The range of host plants of Pseudococcus longispinus is less extensive than that of the citrus mealy bug but it n [...] an adequate intake of protein, mealybugs must therefore ingest large quantities of sap, getting rid of the excess sugars in the form of honeydew. Charac [...] growing on this honeydew. Additionally, the white, waxy secretion of the mealybugs, reduces the ornamental value of the affected plants. Fruit and flowers are

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Leaf miners

before the harvest is affected. The size of a leaf tunnel depends on the stage of development of the leaf, the species of host plant and the species of leaf [...] belong to the order Diptera (the true flies ) and form the family Agromyzidae. This is a family of small flies whose larvae tunnel into the leaves of plants [...] There are many species of leaf miner affecting various crops in temperate parts of the world. Under natural conditions, the larvae of these species are p

Box tree moth

Damage symptoms The larvae of the box tree moth ( Cydalima perspectalis ) feed on the leaves of box trees, but can also attack the bark of the trees, causing [...] lines at the beginning of pupation and then turn light brown with a dark pattern towards the end of pupation. There are two variants of adults. The most common [...] General The box tree moth ( Cydalima perspectalis ) belongs to the family of Crambidae . It originates in the temperate and sub-tropical regions of East Asia

Pine processionary moth

but also during the following summer because of the persistence of allergenic hairs in the remains of winter nests The larvae of the Pine processionary [...] appearance of Pine processionary moth The female moth has a wingspan of 36-49 mm; the wingspan of the male is 31-39 mm. Both sexes have a hairy thorax. The forewings [...] shoots. The larvae develop through five instars and the full-grown caterpillar is about 40 mm in length. The head capsule is black. The body of the first-instar

Oak processionary moth

months. From the 5th instar on, the larvae start building silken nests at the base of lower branches, on the trunks or at the base of the trunks, which [...] July), the larvae spin cocoons inside the nests. Damage symptoms The nests of caterpillars on infested trees are clearly visible. The larvae of the oak [...] darker grey markings and a wingspan of ca. 30 mm. The adults emerge and fly between the end of July and mid September. The eggs (with up to 300 eggs per batch)

Pea leaf miner

before the harvest is affected. The size of a leaf tunnel depends on the stage of development of the leaf, the species of host plant and the species of leaf [...] to the ground. This occurs in the early morning. The larva crawls into the ground to pupate. A small percentage of the larvae remain hanging on the leaf [...] arises when disease causing fungi or bacteria enter the plant tissue via the feeding spots. The mines of the pea leaf miner (Liriomyza huidobrensis) often run

Limonica Ulti-Mite

not use in tomato. Mode of action Predatory mites reproduce within the sachet and gradually disperse into the crop over a period of several weeks. Using their [...] in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory [...] Pests Larvae of various species of thrips (first and second larval stages); Eggs and larvae of greenhouse whitefly ( Trialeurodes vaporariorum ) and cotton

Broad mite

to the damage caused by viruses. The typical pattern of damage consists of malformation and distortion of the above-ground growth of the plant. The mites [...] appearance of Broad mite The life cycle of tarsonemid mites has the following stages: egg, larva, and adult. The larvae have three pairs of legs, adults [...] lay their eggs mainly on the underside of the leaf or on the fruit surface. The elongated, oval eggs are firmly attached to the surface and are rather large

Leek moth

ured, silk cocoon made of characteristic meshes spun on the surface of the leaves or on the flower-stalk of the host plant. The pupa is 7-8 mm long, its [...] triangle in the middle of the posterior edge of the forewings. The hindwings are uniformly grey. The moth are active at night and rest during the day. Development [...] hatching, the young larva explores the surface and mines the green leaves. On reaching the third instar, the larva penetrates the young leaves, the flower