Southern European marshland pyralid

in groups of 5 to 10 eggs, overlapping in a tile-like fashion on both the upper and lower surface of leaves close to the veins, or low on the stem or stalk [...] decaying organic material on the ground or substrate. They feed on detritus as well as life materials. Young larvae feed on the leaves and flowers before [...] marshland pyralid or European pepper moth (Duponchelia fovealis) is a polyphagous species feeding on a wide range of hosts from 38 plant families. They include

Flies

indirectly. The type of damage depends on the species of the flies. Direct damage is the immediate result of larvae feeding on root hairs and tender roots as well [...] Frass deposited on leaves or flowers in ornamental crops, lettuce, and herbs also causes cosmetic damage, and sometimes this can occur on such a scale that [...] growing media, while adults can cause contamination. Effective fly control is essential to maintain healthy and high-quality crops. Biological control of

Fall Armyworm

host plant, depending on the crop, the stage of crop development, and the age of the larvae. On maize, young larvae usually feed on leaves, creating a c [...] General The fall armyworm is a polyphagous pest that is indigenous throughout the Americas. Recently, it has been found in Africa too. The caterpillars [...] They have a distinct white inverted Y-shaped mark on the front of the head and four large spots on the upper surface of the last segment. Pupae are reddish

Feltiella acarisuga

acarisuga is a predatory gall midge highly effective in the biological control of spider mites . This beneficial insect, native to Europe, preys on various [...] Feltiella acarisuga is available at Koppert as Spidend . How to use Feltiella acarisuga The predatory gall midge Feltiella acarisuga is available in plastic [...] cups ( Spidend ). Make a hole in the lid and place the cup on the rock wool slab or directly on the soil Protect against direct sunlight and water Leave

Spidex Vital lives up to its promises

‘As the old crop is always cleared away, I start from scratch each time and have to build up the necessary populations three times. This is always a critical [...] tense moment on cucumber farms like mine. And as spider mites can cause real problems in this type of crop, an even better beneficial is always welcome [...] population develops more rapidly.’ A sense of calm on the farm The increased effectiveness of Spidex Vital is a major advantage for Sjaak van Dijk. ‘As already

Shallot aphid

General The shallot aphid, Myzus ascalonicus , is extremely polyphagous. It feeds on crops such as onions, shallots, strawberries, lettuce, brassicas and [...] ornamentals . The shallot aphid is cosmopolitan and widely spread in Europe. Damage symptoms Feeding of shallot aphid on strawberries invokes a strong host [...] twisted. Blossom trusses are also affected, fruits remain small and yield is reduced. On bulbs and shallot, the aphids often occur at the end of the storage

Tarnished plant bug

bug) is native to North America, and it is especially common across the eastern half of the continent, from northern Canada to southern Mexico. It is one [...] spring and into summer. As they feed, they lay their eggs on crop stems and, if the weather is warm enough, can produce up to three generations per year [...] one of the most damaging Hemiptera species, known to feed on almost all commercial crops. Lygus lineolaris boasts at least 385 different host species, the

Japanese beetle

the body. It is a pale-cream colour at first, gradually becoming tan and finally taking on the metallic green of the adult. The adult is an attractive [...] increase, the grubs move closer to the surface and resume feeding on plant roots at 2.5 to 5.0 cm depth. Pupation usually occurs after 4-6 weeks of feeding [...] control actions were taken to prevent further spread. The Japanese beetle is on the A2 list of the European Plant Protection Organization (EPPO). To prevent

Western flower thrips

is) is currently the most damaging thrips species in many greenhouse crops. The western flower thrips (Frankliniella occidentalis) can be found on a wide [...] including many vegetable and ornamental crops in greenhouses, and on various weeds. It is an especially significant pest in cucumber, sweet pepper, eggplants [...] silver-grey patches on leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of c

Codling moth

moth ( Cydia pomonella ) is a notorious, worldwide pest of apple and also occasionally of pear, quince, peach and other fruits. It is very common in Europe [...] flesh, leaving behind brown frass. The entry point is then greatly enlarged as the tissue beneath is eaten away. Infested fruits usually ripen prematurely [...] ocellus on the hind part. The hindwings are brown. The eggs are about 1.3 x 1.0 mm, and whitish opalescent when laid. Later, the developing embryo is visible