Crane flies

during the autumn.. Larvae overwinter in the soil, usually in the third instar stage. and start feeding again in spring. They become active again and feed [...] Eggs are black in colour, oval, 1mm long and deposited on the soil surface. Larvae are cylindrical, tapering toward the head, and grey-brown in colour. Larvae [...] feed voraciously when the soil begins to warm up in spring. The larvae pupate below the soil surface in summer. The pupal stage lasts about two weeks.

Onion thrips

thrips (Thrips tabaci) usually pupate in the ground, although pupae can also be found on leaves, in flowers or in other sheltered places. The prepupal and [...] develops in six stages: egg, two larval instars, prepupa, pupa, and finally the adult insect. The eggs of the onion thrips (Thrips tabaci) are laid in leaves [...] petals and in the soft parts of stalks. They are inserted into the plant tissue with a saw-like ovipositor. Larvae are light to yellowish green in colour,

Cutworms

reach 4 cm or more when fully grown. The caterpillars may be encountered in the soil in a characteristic, circular position. Pupa are brown to dark brown and [...] eggs are white at first but rapidly turn darker. They are laid separately or in batches on the ground, or on the plant close to ground level. The larvae are [...] several hundred eggs. There are six to seven larval stages. Pupation takes place in the ground. Depending on the temperature, the development from egg to adult

Click beetles

6-10 mm long and yellowish brown to black. The eggs are laid in May or June in groups in the soil. They hatch about one month later and the larvae start [...] 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 [...] of plants. This can cause the plants to wilt and die. Damage is more severe in young plants. Life cycle and appearance of Click beetles Adult Agriotis sp

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. Life cycle and appearance of Spotted wing drosophila Adult

Aphids

Potato virus Y (PVY) is transmitted by aphids in tomato in this way, as is the cucumber mosaic virus (CMV) in cucumber. Aphid control videos Take a look at [...] family containing many species that cause damage in cultivated crops. The most significant aphids that occur in greenhouses are: Myzus persicae subsp. persicae [...] enough in the season, the death of young plants. Retarded growth and defoliation reduce yield. Plant sap has a low protein content but is rich in sugars

Pherodis

when stored in a freezer (-18°C), and 1 year when stored in a refrigerator (4-6°C). Storage temperature Preferably in a freezer (-18°C), and in any case at [...] pheromones to other areas Application Place the dispenser in the trap and place the trap in the right position as indicated for the particular trap Wash [...] effective for a maximum of 6 weeks Dosage In general two or four dispensers per hectare. Combined use Use in combination with a suitable trap. Storage

Woolly apple aphid

covering) on apple trees sheltering in cracks and under loose bark. The nymphs become active in late March or April (in the northern hemisphere) and around [...] are produced in summer. Winged egg-laying females are produced in early autumn but their eggs do not develop. Contrary to the situation in America, South [...] occasionally also be found in pear, quince and a few other woody Rosaceae. Life cycle and appearance of Woolly apple aphid In contrast to other aphids

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 [...] done by the tomato leaf miner ( Tuta absoluta) are the blotch-shaped mines in the leaves. Caterpillars prefer leaves and stems, but they may also occur [...] attacked as soon as they are formed but the larvae only feed on green fruits. In case of serious infection, leaves die off completely. Mining by the caterpillar

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