Limonica Ulti-Mite

us limonicus is most effective at temperatures between 13 and 25°C (55 and 77°F). It is not effective above 30°C (86°F). A. limonicus is sensitive to relative [...] ha and hang them evenly spaced in the crop. Release should be repeated after 4 weeks if the pest is not controlled. Consult a Koppert advisor or a recognized [...] species of thrips (first and second larval stages); Eggs and larvae of greenhouse whitefly ( Trialeurodes vaporariorum ) and cotton whitefly ( Bemisia

Oak processionary moth

long processions. The moth is native to central and southern Europe but is now present in almost all European countries and also in parts of the Middle [...] However, this is usually less of a problem as the trees normally recover from this. More important is the health risk posed to both human and animal health [...] above). Life cycle and appearance of Oak processionary moth The adults have grey forewings with white and darker grey markings and a wingspan of ca. 30

Leaf miners

Leaf miners belong to the order Diptera (the true flies ) and form the family Agromyzidae. This is a family of small flies whose larvae tunnel into the leaves [...] directly and indirectly. The most direct damage is caused by the larvae mining the leaf tissue which can lead to desiccation, premature leaf-fall and cosmetic [...] before the harvest is affected. The size of a leaf tunnel depends on the stage of development of the leaf, the species of host plant and the species of leaf

Hemispherical scale

coffeae , occurs widely in tropical regions and in greenhouses throughout the world. It is a severe pest in coffee and citrus. Many ornamental crops can also [...] Hemispherical scale An adult female of S. coffeae has a hemispherical form with a smooth surface. The colour is usually dark to sometimes lighter brown or almost [...] may attract attendant ants and sooty moulds grow on the sugary deposits. Badly fouled leaves may drop prematurely. Life cycle and appearance of Hemispherical

Rose aphid

The rose aphid, Macrosiphum rosae , is a serious and often abundant pest of roses. It is virtually cosmopolitan and widely spread in Europe. Damage symptoms [...] develop. Life cycle and appearance of Rose aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour [...] 1.7-3.6 mm long and green or deep pink to red-brown. The antennae and sometimes the head is dark in colour. The siphunculi are black and bent outwards.

Shore fly

egg, three larval instars, a pupa and the adult fly. The eggs are laid singly and are bean-shaped. A first instar larva is translucent white. Second instar [...] diseases and can be a nuisance to greenhouse works by their sheer numbers. Frass deposited on leaves or flowers in ornamental crops, lettuce and herbs also [...] cosmetic damage, and sometimes this can occur on such a scale that growth, particularly of young cuttings, can be retarded. Life cycle and appearance of Shore

Mottled arum aphid

aphid, Neomyzus circumflexus , has a cosmopolitan distribution and a wide host range. In temperate climates it is primarily a pest in greenhouses where it attacks [...] ms, Begonia and Fuchsia, and also sweet pepper. Damage symptoms Large colonies of mottled arum aphids can greatly reduce plant vigour and kill the plant [...] sis and also result in an unattractive plant with a much lower market value. Neomyzus circumflexus can also transmit plant viruses. Life cycle and appearance

Southern European marshland pyralid

fovealis) is a polyphagous species feeding on a wide range of hosts from 38 plant families. They include ornamental crop plants, such as roses and gerbera [...] in a cocoon made of webbing, frass and soil particles. The pupa itself is yellow-brown, becoming darker as the adult gets closer to emergence, and measures [...] cultivated in an ebb-and-flow irrigation system. The damage threshold varies considerably according to the crop: in begonia and kalanchoë a relatively small

Aphids

reproduction is asexual, the progeny of a single female is genetically identical to the mother. In other words, they are clones. Because there is no genetic [...] harmful pests in greenhouse and field crops, causing plant stress, virus transmission and yield loss. Effective aphid control is essential for maintaining [...] of aphids that have been described, and they can be found in a variety of habitats throughout the world. Aphids form a single, very large group of insects:

Buckthorn-potato aphid

nasturtii , has a nearly cosmopolitan distribution and is a major pest of potatoes, where it also transmits viruses. It also attacks a large number of [...] potatoes is the transmission of viruses. Life cycle and appearance of Buckthorn-potato aphid Aphids have a complex life cycle, with both winged and wingless [...] tomato, aubergine, strawberries and gerbera and worldwide distribution. Damage symptoms Direct damage, caused by sucking of sap is rarely seen. Sometimes, large