Lesser Mealworm

waste and are eaten by the chickens in turn, posing a risk for disease transmission, especially Salmonella . These insects reproduce quickly and are difficult [...] course of its life in cracks and crevices, manure, litter, and under feed and water lines. The eggs are oblong, about 1.5 mm (0.06 inches) in length and creamy [...] the adult emerges in five to ten days. Lesser mealworm adults are shiny, ­black beetles with a slightly-flattened oval shape. They are about 6 mm (0.25

Diamond back moth

diamond back moth (Plutella xylostella) are initially yellow or pale green and later darken. They are deposited singly or in small groups of two or ten eggs on [...] instar, which mines in the leaf tissue, the larvae are voracious surface feeders. The pupae of the diamond back moth (Plutella xylostella) are covered with a [...] 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

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

Stable fly

stable flies are between 5–7 mm in size and largely resemble the house fly , even having a four-striped thorax. However, they are light grey in colour; they [...] yellowish-white larvae will generally emerge from the eggs in 1–4 days. They are typical maggots ranging in size from 5–12 mm long, and they pass through three [...] lesser extent). Although they are extremely common and exist worldwide, it is believed they first originated somewhere in Eurasia. Stable flies superficially

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

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

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

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

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

Cannabis aphid

cannabis aphids are between 1.8–2.7 mm long. They are normally wingless but a winged form appears in late summer. Early in the season, the aphids are nearly colourless [...] , and affected plants are damaged by the loss of this vital fluid. The following damage symptoms may be observed when plants are infested with Phorodon [...] these are two short knobs (antennal tubercles). Their cornicles (the pair of small, upright, backward-pointing tubes on the aphid's rear end) are white