• Poultry Red Mite

  04 inches) and have long legs. They are typically nocturnal feeders and remain hidden during the day in cracks and crevices, nests, cribs and roosts, egg [...] pigeons, and other caged birds worldwide. A parasite especially common to poultry breeding and egg production operations, it is directly responsible for hundreds [...] gallinae causes both direct and indirect damage in poultry houses: The loss of vitality due to parasitism reduces hens’ production; and The mite can transmit

• Tarnished plant bug

  edges of nurseries, and destroying favourable overwintering sites. Damage symptoms Lygus bug adults and nymphs attack the seeds, buds and flowers of plants [...] feeding damage causes cat-facing and dimpling; Seeds darken and collapse or shrink; Terminal plant growth is yellowed and distorted; Plants develop split-stem [...] soft rot and ring rot. Life cycle and appearance of Tarnished plant bug Adult Lygus lineolaris are true bugs that can grow up to 6.5 mm in length and are variable

• Corn rootworm

  system, making the plant more susceptible to lodging, reducing its water and nutrient uptake capacity and leading to yield loss. When water supply is sufficient [...] can cause flower abortion and, in the case of heavy infestations, significantly reduce the number of seeds. During the milk and dough stages of maturity [...] densities can develop, and consequently it is susceptible to serious damage. Adults may also be found on Poaceae, Asteraceae, Fabaceae and Cucurbitaceae. Damage

• Potato/tomato psyllid

  initially affected potatoes and in recent years has become a problem for other Solanaceae crops such as tomatoes, peppers, aubergines, and tobacco. The potato [...] was found to be responsible for serious crop damage, both directly and indirectly, the latter causing the greatest concern and proving difficult to control [...] ellow, and finally green. When they hatch, the adults have a yellowish-green colour and whitish wings, which become transparent over time, and their bodies

• Northern Corn Rootworm

  corn host) and hatch after corn has been replanted. Univoltine and semivoltine rootworms can interbreed, and they coexist in population patches across c [...] pollen, silks and developing kernels of corn, with the following consequences: When corn silks are cut all the way back to the ear and when beetle populations [...] pollination and germination to the point that ears are completely barren or only bear a few kernels. Larval feeding disrupts root system function, reducing the

• May beetle

  Initial damage is not visible in the aerial parts of the plant, as the larvae only feed on root hairs and organic material during the first and second instars [...] similarities between the adults and larvae of this genus, they are usually treated as a single group, sharing similar habits and biology. The larval stages [...] larger plant roots, which later leads to signs of wilting and stunted growth. Lifecycle and appearance of the may beetle The adults belonging to the majority

• Shallot aphid

  Petioles are shortened and leaves curled and twisted. Blossom trusses are also affected, fruits remain small and yield is reduced. On bulbs and shallot, the aphids [...] shallots, strawberries, lettuce, brassicas and potatoes and many ornamentals . The shallot aphid is cosmopolitan and widely spread in Europe. Damage symptoms [...] plants. Life cycle and appearance of The shallot aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety

• Buckthorn-potato aphid

  plants and are not very mobile. In autumn, winged males and females are produced, which return to the primary host buckthorn where they lay eggs for overwintering [...] cosmopolitan distribution and is a major pest of potatoes, where it also transmits viruses. It also attacks a large number of other crops, for instance sweet pepper [...] pepper, tomato, aubergine, strawberries and gerbera and worldwide distribution. Damage symptoms Direct damage, caused by sucking of sap is rarely seen.

• Mottled arum aphid

  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 [...] an excellent substrate for the growth of black sooty mould. Large areas of mould covering the leaves can reduce photosynthesis and also result in an unattractive [...] mottled arum aphid, Neomyzus circumflexus , has a cosmopolitan distribution and a wide host range. In temperate climates it is primarily a pest in greenhouses

• European red mite

  (apple, pear, plum and cherry). However, it can attack a large scale of other woody plants and is occasionally a problem on roses and other ornamentals [...] yellowish red, and more slender and tapered near the hind end. The development from egg to adult goes faster at higher temperatures and takes approximately [...] Tetranychus urticae , it does not produce large amounts of webbing. The eggs are about 0.15 mm in diameter, dark red, and oval with small ridges running