• Flies

  both directly and indirectly. The type of damage depends on the species of the flies. Direct damage is the immediate result of larvae feeding on root hairs [...] their large number. Larvae of flies of the family Keroplatidae (mainly Lyprauta sp.) can cause damage in potted orchids. The Spotted Wing Drosophila has [...] control Learn more about The adult form of the onion fly Delia antiqua What are flies? There are several flies that are pests in agriculture, horticulture

• Onion fly

  wings. The eggs are laid by the female onion fly on the young leaves, necks of onion seedlings or in the soil close to the base of onion plants. The onion [...] starts with the right approach. Growers must carefully monitor the development of the onion fly. This way he knows when the first flight of the onion fly [...] even death of the onion plant. The roots and leaves are harmed when the onion fly larvae tunnel into the onion bulbs. This damage may decrease the quality

• Rose aphid

  females of the rose aphid are 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 [...] appearance of Rose aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses [...] siphunculi are black and bent outwards. The rose aphid usually overwinters on rose bushes in the egg stage, although in mild winter some adults may continue to

• Box tree moth

  Damage symptoms The larvae of the box tree moth ( Cydalima perspectalis ) feed on the leaves of box trees, but can also attack the bark of the trees, causing [...] General The box tree moth ( Cydalima perspectalis ) belongs to the family of Crambidae . It originates in the temperate and sub-tropical regions of East Asia [...] lines at the beginning of pupation and then turn light brown with a dark pattern towards the end of pupation. There are two variants of adults. The most common

• Bugs

  their body when at rest. The wings overlap each other exposing the scutellum, a prominent triangular region of the thorax between the wing bases. This dis [...] five nymphal instars and the adult insect. Several species of especially the families Miridae and Pentatomidae are found as pests in agricultural crops. Bug [...] extracting nutrients from them, resulting in deformations and puncture holes. The most obvious damage is the deformation of growing points. They also cause tissue

• Tomato moth

  along the posterior edge of the forewing. As in most noctuid moths, the hindwing is greyish and lighter than the forewing, with a darker shadow at the margin [...] oleracea) deposit their spherical eggs on the underside of leaves in groups of 50 to 300, often arranged in layers. The eggs are greenish at first, but gradually [...] y. In fruiting vegetables, large holes can be formed in both green and ripening fruit. The second generation of larvae often causes greater loss of fruit

• Green peach aphid

  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 sticky [...] 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 [...] from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation

• Blueberry aphid

  females of the blueberry aphid are pale yellow-green. The siphunculi are long and straight. Blueberry aphids overwinter as eggs on blueberry bushes. The fundatrices [...] blueberries and is a vector of blueberry scorch virus. Damage symptoms Blueberry aphids live in dense colonies on young shoots of blueberry bushes and produce [...] amounts of sticky honeydew. The aphids spread blueberry scorch virus. This virus disease can cause severe yield loss. Life cycle and appearance of Blueberry

• Cabbage leafroller

  rest, the wings are held folded almost horizontally over the body. The antennae are thin and of medium length. The moths fly when it is dark. The yellow [...] laid in batches of 10 to 90 pieces and covered with a gelatinous layer on the upper side of leaves, preferably on major veins or depressions in the epidermis [...] light in colour. The ventral surface is lighter than the dorsal, with hairs located in warty spots that are lighter than the general body colour. In general

• Tomato russet mite

  out quickly. The damage is first seen on the lower part of the plant and moves upwards as the mites ascend. Life cycle and appearance of tomato russet [...] be divided into two 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 [...] time in Australia and is a pest in tomatoes in all areas where they are grown. Other members of the plant family Solanaceae may be affected to a lesser