• Two-spotted spider mite

  yellow, and in many plants the damage can also be seen on the upper surface of leaves as small yellow dots. The destruction of cells results in reduced p [...] such webs in which the mites live. The webbing and spotting on the leaves affects the appearance of the crop. This is of particular concern in ornamental [...] mite populations in check. Especially predatory mites in sachets are a good preventative measure as the sachets enable a continuous supply of predatory mites

• Macrocheles robustulus

  found in high numbers in greenhouses in soil which has been enriched with compost. As natural enemies of various pests, Macrocheles robustulus plays a vital [...] mites feed on larvae of sciarid flies , thrips pupae and other soil-dwelling insects. The mites appear in and on the soil and at the base of plant stems [...] Macrocheles robustulus is a species of predatory mite known for its role in biological pest control , particularly in agricultural and horticultural settings

• Phytoseiulus persimilis

  cannot feed on other prey. Feeding behaviour of Phytoseiulus persimilis Phytoseiulus persimilis feeds on all stages of spider mites , but has a preference [...] disappears rapidly in the absence of suitable prey. When prey is in short supply, mainly adult females will leave the prey patch in search of other spider mite [...] Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy for your situation. Phytoseiulus persimilis in sachets

• Carnation tortrix

  Each female of the carnation tortrix ( Cacoecimorpha pronubana ) is capable of laying up to 700 eggs, deposited in batches of 10 to 200 on the upper surface [...] forewings (with a dark brown band in the females and two red bands in the males) and the hindwings (bright orange) ensure that the moths of the species are [...] surface of leaves or on other greenhouse materials. At first, the eggs are a light green colour, later becoming yellow. They have a flattened oval to round

• Chafers

  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 pest that [...] 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 turf [...] 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 the night

• Encarsia formosa

  to switch to the use of Enermix or Ercal . Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy for [...] based on the density of the whitefly population, making it a valuable tool in integrated pest management . The wasps themselves do not feed on whiteflies [...] transparent to brown in colour. The pupa of E. formosa is unique among the species of Encarsia , in that it is formed immediately beneath and in contact with the

• Blackcurrant aphid

  appearance of Blackcurrant aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses [...] 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. [...] and also present in the Russian Far East and North America. Damage symptoms Blackcurrant aphids produce large amounts of sticky honeydew on which black sooty

• Cabbage leafroller

  and of medium length. The moths fly when it is dark. The yellow eggs are laid in batches of 10 to 90 pieces and covered with a gelatinous layer on the [...] the upper side of leaves, preferably on major veins or depressions in the epidermis. The caterpillar has a dark green to black head capsule and prothoracic [...] days, the cabbage leafroller has also become a pest in greenhouse crops. Great damage can be inflicted on ornamental crops, such as roses, alstroemeria

• Goat moth

  feed on the wood most of the time hibernating in their galleries during the winter months. Pupation usually takes place just beneath the bark in a very [...] cossus ), is a pest of broad-leafed trees. It is most often found in birch, ash, willow and elm but can also attack fruit trees. It is widespread in Europe. [...] burrow in all directions in both sap and hart wood. Attacks are usually confined to the trunk of mature tress. Sap frequently exudes from the bark of attacked

• Rose aphid

  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 [...] overwinters on rose bushes in the egg stage, although in mild winter some adults may continue to reproduce parthenogenetically. Large colonies of aphids can [...] aphid, Macrosiphum rosae , is a serious and often abundant pest of roses. It is virtually cosmopolitan and widely spread in Europe. Damage symptoms Infestations