Pine processionary moth

is darker in colder areas and varies from dull bluish-grey to black. Pupation takes place in the soil in an oval, ochreous-white silken cocoon. The pupae [...] volume growth. Defoliation damage and the presence of caterpillars are important on amenity trees in recreational and residential areas The caterpillars [...] forewings are dull ashen-grey; the veins, margins and three transverse bands are darker. The hindwings are white, grey-fringed, with a characteristic dark spot

Pear psylla

shoots, leaves and developing fruits with a sticky black layer. Life cycle and appearance of Pear psylla Adults pear psyllas are 2-3 mm long and orange red [...] Europe and can inflict serious damage in pear orchards. Damage symptoms Pear psylla feeding leads to growth inhibition and malformation of leaves and fruits [...] become active in spring and start to feed on young leaves and flowers. Eggs are deposited in crevices of the bark of twigs and hatch after about 3 weeks

Shore fly

larval instars, a pupa and the adult fly. The eggs are laid singly and are bean-shaped. A first instar larva is translucent white. Second instar larvae [...] diseases and can be a nuisance to greenhouse works by their sheer numbers. Frass deposited on leaves or flowers in ornamental crops, lettuce and herbs also [...] cosmetic damage, and sometimes this can occur on such a scale that growth, particularly of young cuttings, can be retarded. Life cycle and appearance of Shore

Bean seed fly

crucifers, cereals and tubers worldwide. Adult flies lay eggs near the base of bean plants, and upon hatching, the larvae burrow into the soil and feed on the [...] the seeds and roots of young plants. Larvae mainly attack seedlings by feeding on emerged roots and cotyledons. Plants that survive are weak and less tolerant [...] seeds, as bean seed fly larvae feed on seeds and can cause significant damage. Presence of larvae: Small, white maggots near the base of affected bean plants

Pepper weevil

Meanwhile, the larvae develop in flower buds and young fruit, causing the stalk and calyx to turn yellow before wilting and dropping off. When you see fruit on [...] or nearly black. Their main distinguishing feature is a ‘snout’ which is longer than their head and prothorax. Two days after hatching and feeding, they [...] period, which hatch after four days. The larvae are whitish and plump, with large black spots and brown mandibles. When they hatch inside an immature fruit

Tomato looper

It is a tropical and subtropical species originating in the Mediterranean and northern Africa. The larva is highly polyphagous and feeds on plants of [...] droplet-shaped white marks on the forewing that sometimes overlap each other. The hindwings are brown. The body is brown and hairy and, when at rest, the [...] crucifer, soybean, potato, strawberry, banana, sweet pepper and tomato but also chrysanthemum and geranium. An annual migrant from southern Europe, the golden

Circular scale

lower and central parts of mature trees. Circular scale prefers the leaves, but in high infestations it may spread to fruits, stems and trunks, and may cause [...] leaves, premature leaf and fruit drop, and stem dieback. First signs of an infestation are dark-purple to reddish-brown or black spots with paler margins [...] beneath is yellow and up to 1.7 mm long. The adult male is 0.7 mm long and has a single pair of wings. First-instar nymphs are 0.3 mm long and have legs, but

Orius laevigatus

various agricultural and horticultural systems. Both adults and nymphs of Orius laevigatus are voracious predators, adept at piercing and feeding on the soft [...] oval-shaped, and usually laid singly within plant tissues such as leaves, stems, or flowers. They are typically white or translucent and are difficult [...] have a black or dark brown body with white markings on their wings. The wings lie flat over their backs when at rest, displaying a characteristic black and

Codling moth

mm long, initially whitish and later pale pinkish white, with a brown head and a pale anal plate. The pupa is 8-10 mm long and yellowish brown to dark brown [...] with ash-grey and a large, metallic, bronzy black ocellus on the hind part. The hindwings are brown. The eggs are about 1.3 x 1.0 mm, and whitish opalescent [...] pomonella ) is a notorious, worldwide pest of apple and also occasionally of pear, quince, peach and other fruits. It is very common in Europe. Damage symptoms

Diglyphus isaea

nectar and honeydew. Life cycle and appearance of Diglyphus isaea Because Diglyphus isaea is an ectoparasite, all instars (egg, larva, pupa and adult) [...] shape, measuring 0.3 x 0.1 mm, and is transparent white in colour. It lies alongside the paralyzed leaf miner larva and is often difficult to spot. Larval [...] instars: the first is colourless and transparent, the second is yellow and semi transparent with a brown fat body, and the third larval instar is blue-green