Cabbage moth

light network of markings. First instar larvae of the cabbage moth (Mamestra brassicae) are gregarious, eating the edge of the leaves on which they were [...] feed mainly on the youngest leaves, producing skeletonized leaves, holes and frass on leaves. The caterpillars destroy large numbers of leaves and their [...] frass accumulates in the heart of cabbage, thereby lowering the commercial value of infested crops. Life cycle and appearance of Cabbage moth The adult cabbage

Crane flies

General The larvae of crane flies , called leatherjackets, live in the soil and feed on roots and shoots (which they pull into the ground of mainly grasses [...] fields. Exit holes of the burrows of the larvae might also be visible. Secondary damage may come from birds and rodents feeding on larvae and digging up [...] appearance of Crane flies Adult crane flies are large flies with females reaching 45-50 mm across. They have long, spindly legs and one pair of narrow, clear

May beetle

feed on plant roots, resulting in visible water stress and ultimately ending in the death of the plant. From the third stage onwards, the impact of this [...] larvae start to feed on larger plant roots, which later leads to signs of wilting and stunted growth. Lifecycle and appearance of the may beetle The adults [...] adults and larvae of this genus, they are usually treated as a single group, sharing similar habits and biology. The larval stages of these beetles are

Click beetles

called wireworms and feed on the roots of many plants. Damage symptoms The click beetles feed on the roots and bore into the base of plants. This can cause [...] , with the head deeply retracted into the thorax. When disturbed they lie on their back feigning death and then suddenly propel themselves into the air [...] and die. Damage is more severe in young plants. Life cycle and appearance of Click beetles Adult Agriotis sp. are 6-10 mm long and yellowish brown to black

Mycotal - Effective at lower temperatures

growing and effective from 8 °C • The only effective entomopathogenic fungi at lower temperatures • Control pests during colder periods of the year How [...] Growth of the colony Colony growth rate of Mycotal and other commercial entomopathogenic fungi. Tested in lab conditions at a temperature regime of 5 °C [...] Mycotal Effective at colder temperatures Protect your crop when temperatures drop Even in the midst of winter, pests can be present in your greenhouse

Japanese beetle

actions were taken to prevent further spread. The Japanese beetle is on the A2 list of the European Plant Protection Organization (EPPO). To prevent its further [...] foliage is the most common symptom of feeding by the adult. The beetles generally feed from the upper surface of leaves, chewing out the tissue between [...] and drop. The adults are gregarious, usually beginning to feed on foliage at the top of a plant and working downwards. The larvae are most abundant in

Tarnished plant bug

eastern half of the continent, from northern Canada to southern Mexico. It is one of the most damaging Hemiptera species, known to feed on almost all commercial [...] edges of nurseries, and destroying favourable overwintering sites. Damage symptoms Lygus bug adults and nymphs attack the seeds, buds and flowers of plants [...] internodes become elongated; The number of vegetative branches increases and plants develop multiple crowns; Transmission of diseases, such as soft rot and ring

Lyprauta

appearance of Lyprauta The adults of the three species can be distinguished by the wing pattern of adults. Adults of P. trinidadensis have a variation of dar [...] their wings. Adults of L. cambria have a large dark-coloured mark on the apical wing parts as well as two smaller marks. Adults of L. chacoensis have only [...] only one small dark-coloured spot on their wings. The eggs of Lyprauta sp. are greyish-black and spherical. Larvae of Lyprauta sp. are a transparent greyish

Shallot aphid

reduced. On bulbs and shallot, the aphids often occur at the end of the storage period causing malformation of new plants. Life cycle and appearance of The [...] cosmopolitan and widely spread in Europe. Damage symptoms Feeding of shallot aphid on strawberries invokes a strong host plant reaction. Infested plants [...] females of the shallot aphid are 1.1-2.2 mm long and shiny brownish green to dirty yellow. Their legs and antennae are pale, apart from the ends of the antennae

Potato aphid

therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit [...] production. Life cycle and appearance of Potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour [...] specifically characteristic of the potato aphid and is particularly visible in the nymphs. Immatures have a light dusting of whitish-grey wax. The aphids