• Aphidius ervi

  Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your situation. Best conditions for use of Aphidius [...] wasp Aphidius ervi Aphidius ervi is a parasitic wasp species that plays a significant role in biological control of aphids . The natural enemy Aphidius [...] themselves. Life cycle and appearance of Aphidius ervi Aphidius ervi is a very dark aphid parasitoid. The waist is entirely black, without striping. As it can develop

• Cabbage moth

  until they are a brown-black or sometimes even a purple colour. They are ridged and have a light network of markings. First instar larvae of the cabbage moth [...] youngest a transparent yellow to grey-green with a characteristic brown-black head capsule. After the third moult, the caterpillar is green with a dark back [...] moth (Mamestra brassicae) is a highly polyphagous defoliator. Besides being a major cabbage pest, it feeds on 70 plants of 22 families, among them crops

• Common asparagus beetle

  ) have a shiny blue head, black antennae and a red thorax. The elytra have two distinctive rows of white or yellow spots. Eggs are oval and black to greenish [...] asparagus beetle ( Crioceris asparagi ) is a major, host-specific pest of asparagus in most asparagus producing regions of the world. Damage symptoms Both adults [...] adults and larvae feed on the leaves of asparagus. As the larvae feed, they secrete a blackish fluid, consisting of faecal material, which may contaminate

• Two-spotted spider mite

  mite ( Tetranychus urticae ) is a pest of many crops throughout the world. Despite their small size, they are capable of very rapidly doing severe damage [...] on the leaves affects the appearance of the crop. This is of particular concern in ornamental crops. Life cycle of two-spotted spider mite Two-spotted spider [...] have six legs. Color: Spider mites can have a variety of colors, including green, yellow, red, brown, or black. Two-spotted spider mites have two large dark

• Blackcurrant aphid

  cycle and appearance of Blackcurrant aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour [...] aphids produce large amounts of sticky honeydew on which black sooty mould fungi grow. Leaves and fruit quickly turn black and fruit can become unmarketable [...] The distal third of the siphunculi is slightly swollen. In spring, the blackcurrant aphid lives on the underside of the young leaves of currant plants.

• Macrolophus pygmaeus

  problems include a shortage of prey, a high population of bugs (more than 100-150 per plant), and a weak crop. More delicate types of tomato are more susceptible [...] occasional small black markings: the first antennal segment is black, and a black stripe runs behind the eyes. The first part of the forewings is a transparent [...] well as the larvae of leaf miners . When the bug is present in a crop in large numbers, it can contribute substantially to the control of these pests. Although

• Cotton aphid

  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. [...] quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black fungal moulds [...] yellow to light green, or even a green-black colour . This body colour depends on temperature, food source and the density of the population. Large individuals

• Dacnusa sibirica

  appearance of Dacnusa sibirica The life cycle of Dacnusa sibirica consists of an egg, a larva, a pupa and an adult. In order to see the eggs and larvae of the [...] capable of distinguishing a leaf that has already been visited from one that has not. Dacnusa sibirica is a solitary parasitic wasp. At high rates of para [...] orientation of the wasp within the host pupa is the same as that of the leaf miner itself, the head of the wasp thus developing where the head of the leaf

• Box tree moth

  include webbing of the branches with frass and residues of moulting such as black head capsules of different sizes. Life cycle and appearance of Box tree moth [...] ) deposits clusters of 5 to 20 eggs in a translucent gelatinous mass on the leaves of box trees. The light green larvae have black stripes with white dots [...] 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

• Tobacco aphid

  individuals have a brown-black head and thorax and a reddish abdomen. There is a dark brown spot on the abdomen and several transverse black bands across the [...] Life cycle and appearance of Tobacco aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour [...] quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black fungal moulds