Aphids

Biological control of aphids Aphids are among the most harmful pests in greenhouse and field crops, causing plant stress, virus transmission and yield loss. Effective aphid control is essential for ma

Northern Corn Rootworm

appearance of Northern Corn Rootworm Adult Diabrotica barberi beetles are between 5–6 mm long and uniformly pale green or yellowish green in colour. They appear [...] then pupate in the soil near the corn roots in late June or early July. After 5–10 days the adults begin to emerge, with males appearing about one week before

Lesser Mealworm

manure, litter, and under feed and water lines. The eggs are oblong, about 1.5 mm (0.06 inches) in length and creamy white at first but darken over time.

Onion thrips

General The onion thrips (Thrips tabaci) is distributed throughout the world. It is found outdoors on many plants and particularly damaging on onions, leek, and in greenhouses on cucurbits, tomato, sw

Impatiens thrips

General Impatiens thrips (Echinothrips americanus) is an increasing problem in greenhouse cultivation, having spread to many countries within the last 30 years. The thrips have mostly been able to spr

Two-spotted spider mite

Two-spotted spider mites are small and have eight legs. Adult females are about 0.5 mm long. They have an oval body that is rounded at the rear end. Their colour [...] characteristics: Size and shape: Spider mites are tiny, adults are about 0.5 mm long in length. They have an oval-shaped body with eight legs, which di

Cyclamen mite

General The cyclamen mite ( Phytonemus pallidus ) is a harmful strawberry pest as well as a common pest found in cyclamen, gerbera and other ornamentals . Mites belonging to the family of tarsonemids

Cabbage leafroller

General The cabbage leafroller (Clepsis spectrana) is native to North-West Europe. It is a highly polyphagous species causing damage to field grown cabbage, apple, pear as well as maple, popular, spru

Southern European marshland pyralid

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 and lower [...] on the stem or stalk close to the ground. The pinkish red eggs are about 0.5 mm in diameter and become steadily darker. Just before hatching, which occurs

Diamond back moth

General The diamond back moth (Plutella xylostella) belongs to the family of Plutellidae . It only attacks Brassicaceae species, including cruciferous weeds. The diamond back moth (Plutella xylostella