adult fly. Adult leaf miners are small yellow and black coloured flies , at most only several millimetres long. When the adult females feed or lay…
fifth instars bore into the central yellow leaves of the leek and produce the most severe damage. First instar larvae are ca 1 mm long, but mature…
aphids and scale insects, they belong to the division Sternorrhyncha. The most common species are the greenhouse whitefly , Trialeurodes vaporariorum…
beetle ( Crioceris asparagi ) is a major, host-specific pest of asparagus in most asparagus producing regions of the world. Life cycle and appearance…
present wherever its cruciferous hosts exist and it is considered to be the most universally distributed lepidopteran species. It is highly migratory…
protected under the shield until they hatch. The emerging crawlers settle mostly along the main veins on the lower sides of mature leaves. Many young…
flecks. The high, rounded form and smooth surface distinguish the species from most other soft scales. The size depends on the host plant and can vary…
General The blueberry aphid, Ericaphis fimbriata or Ericaphis scammelli , is most likely of North American origin and was probably introduced into…
brown. Damage symptoms The common cockchafer ( Melolontha melolontha ) does most of its damage in the larval stage, when it feeds on roots of grasses…
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