pests. The two-spotted spider mite ( Tetranychus urticae ) is by far the most important species in greenhouses and many outdoor crops. Life cycle of t…
chalcites ) spreads to several northerly countries and is now one of the most frequently found pest species in greenhouses. Life cycle and appearance…
or asexual, the latter apparently being the more common situation. Unlike most other mealy bugs , Pseudococcus longispinus produces no egg sac.…
gamma ) have varied markings, from different shades of brown to grey, but the most distinctive feature is the irregular white mark. The hindwings are…
damage can occur, especially at high temperatures when population growth is most rapid and affected leaves dry out quickly. The damage is first seen…
Sciarid flies constitute the family of Sciaridae. The species that cause most damage to crops belong to the genera Bradysia and Lycoriella .…
nocturnal and usually hide between leaves during the day. Damage symptoms The most distinctive symptoms of damage done by the tomato leaf miner ( Tuta…
aphids , the peach potato aphid ( Myzus persicae subsp. persicae ) is the most important vector of viral diseases. It can transmit at least 100…
horse-chestnut trees in Macedonia in the 1970s, from where it spread to most of Europe. Since then, in all invaded regions, outbreaks have continued…
thin, toothed white line along the posterior edge of the forewing. As in most noctuid moths, the hindwing is greyish and lighter than the forewing,…
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