• Lyprauta

  yellow and embedded in a dense web. Adult flies are long and slender and have a dark brown head with short antennae. The thorax is brownish-yellow and the [...] number of flower stems and a longer vegetative stage. The root damage can also form entry points for pathogens. Life cycle and appearance of Lyprauta The [...] eggs of Lyprauta sp. are greyish-black and spherical. Larvae of Lyprauta sp. are a transparent greyish white and have a long slender body. The head is brown

• 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 [...] sis and also result in an unattractive plant with a much lower market value. Neomyzus circumflexus can also transmit plant viruses. Life cycle and appearance [...] mottled arum aphid, Neomyzus circumflexus , has a cosmopolitan distribution and a wide host range. In temperate climates it is primarily a pest in greenhouses

• Strawberry aphid

  a cosmopolitan distribution and is the most important aphid pest of strawberries. It can cause direct damage by feeding and transmits viruses. Damage symptoms [...] from the plant, which reduces the yield and quality of fruit. The leaves do not become distorted but leaves and fruits quickly become sticky due to the [...] outdoor strawberries, winged aphids appear in May and June; these aphids disperse to other plants and fields. Winged aphids appear again from October to

• Blueberry aphid

  loss. Life cycle and appearance of Blueberry aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in [...] Peak aphid densities are reached in June and July. Sexual adults are produced in September and October and the sexual females lay eggs on blueberry bushes [...] likely of North American origin and was probably introduced into Europe with plant material. It feeds on blueberries and is a vector of blueberry scorch

• Yellow rose aphid

  strawberries and roses. Life cycle and appearance of Yellow rose aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great [...] North Africa, parts of Asia and South America. It attacks plants of the family Rosaceae and is a pest of strawberries and roses. Damage symptoms The yellow [...] aphids usually live in young unfolded leaves. Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result

• Pear psylla

  Europe and can inflict serious damage in pear orchards. Damage symptoms Pear psylla feeding leads to growth inhibition and malformation of leaves and fruits [...] shoots, leaves and developing fruits with a sticky black layer. Life cycle and appearance of Pear psylla Adults pear psyllas are 2-3 mm long and orange red [...] become active in spring and start to feed on young leaves and flowers. Eggs are deposited in crevices of the bark of twigs and hatch after about 3 weeks

• Cutworms

  black cutworm Agrotis ipsilon and the turnip moth Agrotis segetum . The larvae of these moths usually feed on roots and plant parts close to the ground [...] seedlings. Third to seventh instars become negatively phototaxic and feed mostly at night and hide in the ground during the day. Damage from these instars [...] because of partial cutting. A larva often cuts one plant and quickly moves on to other plants and continues cutting. Therefore, relatively small populations

• Chafers

  the roots can lead to yellowing and wilting of plants. Damage can be severe on young plants and especially in grassland and turf. There, secondary damage [...] birds and small mammals digging for the grubs to eat them. Life cycle and appearance of Chafers Adult Amphimallon sostitialis are 14-18 mm long and yellowish [...] smaller; about 13-15 mm long and reddish-brown in colour. The adult beetles fly in the evening, generally in June and July and land on trees to mate. During

• Click beetles

  the roots and bore into the base of plants. This can cause the plants to wilt and die. Damage is more severe in young plants. Life cycle and appearance [...] feigning death and then suddenly propel themselves into the air with a audible click. Hence their name. Their larvae are called wireworms and feed on the [...] are 6-10 mm long and yellowish brown to black. The eggs are laid in May or June in groups in the soil. They hatch about one month later and the larvae start

• Apple rosy aphid

  widespread in Europe and also occurs in Africa, North and South America, and Asia and can cause severe damage to both shoots and fruits. Damage symptoms [...] spurs and smaller branches, and on the base of buds of apple trees. The eggs hatch in spring and at first the aphids attack buds, spur leaves and rosette [...] to premature leaf fall and death of shoots. Fruits from infested trusses are small and malformed and ripen prematurely. Feeding of aphids directly on fruits