• Tomato pinworm

  pinholes at the points of entry, which are often marked by the presence of a small amount of frass or droppings. Life cycle and appearance of the tomato pinworm [...] and can be found on the underside of the leaves. When the presence of the pest is high, they can be found on any part of the plant. They emerge 4 to 7 days [...] to disrupt the mating of adults, preventing oviposition. Damage symptoms The tomato pinworm attacks both the leaves and fruits of tomato. Mining by larvae

• Green peach aphid

  malformations of the growing tips. Life cycle and appearance of green peach aphid Aphids have a complex life cycle, with both winged and wingless forms of adults [...] families. Damage symptoms Of all the aphids , the peach potato aphid ( Myzus persicae subsp. persicae ) is the most important vector of viral diseases. It can [...] 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

• Cyclamen mite

  ornamentals . Mites belonging to the family of tarsonemids ( Tarsonemidae ) display a greater diversity of feeding habits than any other mite family. There [...] fruits become brown near the base. Life cycle and appearance of Cyclamen mite The life cycle of the cyclamen mite ( Phytonemus pallidus ) has the following [...] modified and used to transport pharate females. Eggs of the cyclamen mite are about half the size of the adult mite. They are oval in form, smooth, transparent

• Long-tailed mealybug

  range of host plants of Pseudococcus longispinus is less extensive than that of the citrus mealy bug but it nevertheless encompasses many species of (ornamental) [...] an adequate intake of protein, mealybugs must therefore ingest large quantities of sap, getting rid of the excess sugars in the form of honeydew. Charac [...] causing deformation and / or yellowing of leaves, sometimes followed by defoliation. The overall effect is a reduction of photosynthesis and therefore the yield

• Impatiens thrips

  leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll. When infestations [...] the damage can be seen as discolouration of older leaves at the bottom of the plant. Life cycle and appearance of Impatiens thrips Impatiens thrips (Echinothrips [...] able to spread as a consequence of the trade in foliage plants. Impatiens thrips (Echinothrips americanus) has a wide range of hosts. In addition to many

• Tomato russet mite

  on the lower part of the plant and moves upwards as the mites ascend. Life cycle and appearance of tomato russet mite All life stages of the tomato russet [...] members of the plant family Solanaceae may be affected to a lesser extent. Damage symptoms Damage is caused by the mites sucking out the contents of plant [...] parts: the head with the mouthparts, and the rest of the body. All mobile stages have only two pairs of legs, whereas other mite groups have four pairs.

• Tomato leaf miner

  tomato and melon. Loss of leaves also reduces yield. In full-grown plants of fruiting vegetable crops, however, a considerable quantity of foliage can get damaged [...] ornamental crops, this is usually of less significance. Seedlings and young plants can be completely destroyed as a result of the direct damage caused by leaf [...] tissue via the feeding spots. Life cycle and appearance of Tomato leaf miner The life cycle of a leaf miner has the following stages: egg, three larval

• American serpentine leaf miner

  tomato and melon. Loss of leaves also reduces yield. In full-grown plants of fruiting vegetable crops, however, a considerable quantity of foliage can get damaged [...] ornamental crops, this is usually of less significance. Seedlings and young plants can be completely destroyed as a result of the direct damage caused by leaf [...] intermediate forms of tunnelling between these ‘plate mines’ and normal mines, making it an unreliable criterion for the identification of the species. Indirect

• Cotton leafworm

  littoralis) is a highly polyphagous species feeding on plants of 40 families, containing 87 species of economic importance. It originates in Egypt, and is currently [...] the Middle East and parts of Mediterranean Europe including the Balearic Islands, Madeira and the Azores. Damage symptoms Most of the damage is caused by [...] skeletisation of the leaves, whereby all that remains are the bigger veins. Young larvae also bore into buds, which results in shedding or drying up of the buds

• Shore fly

  scale that growth, particularly of young cuttings, can be retarded. Life cycle and appearance of Shore fly The life cycle of the shore fly ( Scatella tenuicosta [...] commonly, often in the vicinity of water. They feed on algae. Other shore fly species have diverse feeding habits but the larvae of most species feed on rotting [...] mm long, and stout with short antennae and short legs. The head of the adult has a pair of conspicuous eyes. The wings have grey-brown patches. Although