Diamond back moth

xylostella) is suggested to have its origin in Europe, South Africa or East Asia, but is now present wherever its cruciferous hosts exist and it is considered [...] species. It is highly migratory and wind-borne adults can travel long distances to invade crops in other regions. Damage symptoms The caterpillar is a surface [...] are like those of the males. The back is marked with a broad cream or light brown band along the back, which is sometimes constricted to form one or more

Diglyphus isaea

Diglyphus isaea is a small parasitic wasp belonging to the family Eulophidae within the order Hymenoptera . It is widely recognized for its role as a biological [...] 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. [...] intervals or until control is achieved. At low temperatures (<20°C/68°F) it might be better to use Minusa. Consult a Koppert advisor or a recognized distributor

Tomato leaf miner

that emerges from its tunnel just prior to pupating, is known as a prepupa. This stage lasts only a few hours. [...] plants of fruiting vegetable crops, however, a considerable quantity of foliage can get damaged before the harvest is affected. The older larvae make wider tunnels [...] except with ornamental crops, this is usually of less significance. Seedlings and young plants can be completely destroyed as a result of the direct damage caused

Cotton leafworm

littoralis) is a highly polyphagous species feeding on plants of 40 families, containing 87 species of economic importance. It originates in Egypt, and is currently [...] median vein. The ocellus is marked by two or three oblique whitish stripes. The front of the wingtip has a blackish marking, which is more pronounced in the [...] green with a brownish head. In the last larval stage, they are 35 to 45 mm long. Coloration varies from grey to reddish or yellowish, with a median dorsal

Blackberry

the Rubus and Idaeobatus subgenera. The blackberry is actually not a berry botanically speaking. It is a so-called aggregate fruit that consists of small [...] About The blackberry is an edible fruit that originates from a wide range of species belonging to the genus Rubus that is part of the family of Rosaceae

Broad mite

brown stripes forming a fine network on the leaves. In case of a more serious infestation, this network becomes so dense that there is no more green tissue [...] latus) are not a serious problem, as they are unable to overwinter. Mites belonging to the family of tarsonemids ( Tarsonemidae ) display a greater diversity [...] show a preference for young, developing plant tissue, like the growing tips, young leaves and flower buds. The mechanism causing the deformation is not

Apple

of the apple is protected by a layer of epicuticular wax. Apples usually have a yellowish-white coloured exocarp. Sometimes their flesh is also pink or [...] deciduous apple tree belongs to the rose family and is now cultivated for its fruit all over the world. It is the most common cultivated species of the genus [...] tics. Ripe apples usually have a red, yellow, green, pink, or russetted coloured skin. Additionally there exists also a wide range of bi- or tri-colored

House fly

Houseflies are a well-known pest of farm and home. Believed to have originated in central Asia, the insect expanded its range worldwide long ago as a commensal [...] housefly is always found in association with human activity. As the most common species of fly found on livestock farms, they represent both a nuisance [...] buildings, they are considered a serious pest because: They can form flying swarms inside barns and hen houses, making them a particularly annoying deterrent

Tomato pinworm

fruits of tomato. Mining by larvae in the leaves is the most common type of injury. Initially, the mine is long and narrow, but it later widens to become [...] presence of the pest is high, they can be found on any part of the plant. They emerge 4 to 7 days after being laid. The larvae have a yellowish-grayish body [...] itself and creating a green pupal cell which darkens to brown before emergence of the adult. The number of days in this instar varies a great deal since it

Tomato russet mite

Australia and is a pest in tomatoes in all areas where they are grown. Other members of the plant family Solanaceae may be affected to a lesser extent [...] The first nymphal stage is a transparent white colour and about 0.1 mm long. They usually develop to the 2nd stage within a day. All life stages look [...] Damage symptoms Damage is caused by the mites sucking out the contents of plant cells. Affected leaves are slightly curled and acquire a silvery sheen on the