Tarnished plant bug

especially common across the eastern half of the continent, from northern Canada to southern Mexico. It is one of the most damaging Hemiptera species, known [...] edges of nurseries, and destroying favourable overwintering sites. Damage symptoms Lygus bug adults and nymphs attack the seeds, buds and flowers of plants [...] internodes become elongated; The number of vegetative branches increases and plants develop multiple crowns; Transmission of diseases, such as soft rot and ring

Rose aphid

abundant pest of roses. It is virtually cosmopolitan and widely spread in Europe. Damage symptoms Infestations with rose aphids retard the growth of buds and [...] develop. Life cycle and appearance of Rose aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour [...] with unfertilized viviparous females continuing to produce new generations of females. Aphids moult four times before reaching adulthood. With each moult

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

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.

Brown soft scale

flowers and fruit of the host and reduce photosynthesis and respiration. Life cycle and appearance of Brown soft scale The scale of the female is flat [...] colour of the scale darkens as the female ages. The size, shape and characteristics of the female also vary with different host plants. The middle of the [...] symptoms The scales produce enormous quantities of honeydew. This is usually the first visible symptom. Because of this, C. hesperidum is often attended by ants

Chafers

General The chafers are beetles of the Scarabaeidae family. The larvae of both species live in the soil and feed on the roots of many plants. They are a serious [...] Damage symptoms Larval feeding on the roots can lead to yellowing and wilting of plants. Damage can be severe on young plants and especially in grassland 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 chestnut

Japanese beetle

foliage is the most common symptom of feeding by the adult. The beetles generally feed from the upper surface of leaves, chewing out the tissue between [...] and sometimes kills the plants. Life cycle and appearance of Japanese beetle Newly-laid eggs of the Japanese beetle are about 1.5 mm long, pearly white and [...] than 100 years ago. Although not a pest in Japan, extensive turf, and a lack of natural enemies, allowed populations to rapidly build up and spread steadily

Rice root aphid

or all of the following symptoms: Wilting; leaves become discoloured and yellow. “Honeydew” deposited on the plant by aphids promotes the growth of mould [...] mould and fungus. Transmission of viral disease between plants. Life cycle and appearance of the Rice root aphid Like most aphids , the rice root aphid appears [...] plants grown in both soil and hydroponic systems. Unlike other aphids , most of this pest’s life cycle takes place underground, so it may be difficult to

Cotton aphid

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 [...] production. Life cycle and appearance of Cotton aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour [...] Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to

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