• Tobacco aphid

  East and is a key pest of tobacco crops in both the United States and South America. The tobacco aphid ( Myzus persicae subsp. nicotianae ) is also encountered [...] excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black fungal moulds ( Cladosporium spp.) grow on this honeydew [...] in colour. When reproduction is asexual, the young aphids are born as developed nymphs. They immediately start to feed on plant sap and grow rapidly. Aphids

• Aphidoletes aphidimyza

  predatory gall midge Aphidoletes aphidimyza is used for the control of the following pests: Aphids Aphidoletes aphidimyza is available at Koppert as Aphidend . [...] midge Aphidoletes aphidimyza is available in bottle ( Aphidend ). Open the bottle in the greenhouse Place the bottle directly on the soil or rockwool slabs [...] weekly intervals until control is achieved. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your

• Glasshouse potato aphid

  reproduction is asexual, the young aphids are born as developed nymphs. They immediately start to feed on plant sap and grow rapidly. When reproduction is sexual [...] deformations in the growing tip of the plant. Precisely where the plant is pierced is unimportant. The piercing of the lower leaves in the crop can cause deformed [...] abdomen that has pale to dark transverse bands. The body shape is similar to wingless females, but is 2.0-3.0 mm long. The glasshouse potato aphid manifests both

• Hemp russet mite

  freely (vagrant) on hemp/cannabis plants. Aculops cannabicola is host specific to hemp/cannabis ( Cannabis sativa ). It cannot survive on other plants. Damage [...] Damage symptoms Damage is caused by the mites sucking out the contents of plant cells. Hemp russet mite develops on the stems and petioles of the hemp [...] can cause stunting. When populations are large, the mites can also be found on the underside of leaves. This results in smaller leaf size and suppressed

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• Tomato leafminer

  family of Gelechiidae . It is oligophagous, feeding mainly on Solanaceae species . The main host is tomato but it also feeds on other solanaceous crop plants [...] the crown of the fruit and even inside the fruit itself. On leaves, the larvae only feed on mesophyll tissues, leaving the epidermis intact. Fruits can [...] colouration on the dorsal surface. Caterpillars can temporarily be found outside the leaf mines or fruit. Pupation takes place in the soil or on the surface

• Large raspberry aphid

  raspberry aphid, Amphorophora idaei, is the most important aphid species found on raspberries in Europe. It only feeds on raspberry. Damage symptoms Large [...] are high enough to reduce yield by direct feeding damage. The major problem is the spreading of various raspberry viruses by the aphids. Life cycle and [...] pale to yellowish green with long antennae, legs and siphunculi. The cauda is short and triangular. Overwintering eggs of the large raspberry aphid are

• Western flower thrips

  is) is currently the most damaging thrips species in many greenhouse crops. The western flower thrips (Frankliniella occidentalis) can be found on a wide [...] including many vegetable and ornamental crops in greenhouses, and on various weeds. It is an especially significant pest in cucumber, sweet pepper, eggplants [...] silver-grey patches on leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of c

• Rophoria

  start feeding on the aphids . Visual effect Aphids are consumed entirely, only skins remain. Dark excrements (meconium) on the leaves is an indicator of [...] of hoverfly larvae activity. Pack size 100 pupae Presentation 3.5 x 3.5 x 3.5 cm cardboard box Carrier Buckwheat hulls and vermiculite Application Do not [...] for advice on the best strategy for your situation. Environmental conditions Rophoria is most effective between 20 and 30°C. High humidity is favourable

• Syrphidend

  start feeding on the aphids . Visual effect Aphids are consumed entirely, only skin remains. Dark excrements (meconium) on the leaves is an indicator of [...] of hoverfly larvae activity. Pack size 50 pupae. Presentation 3.5 x 3.5 x 3.5 cm cardboard box. Carrier Buckwheat hulls and vermiculite. Application Do [...] for advice on the best strategy for your situation. Environmental conditions Syrphidend is most effective between 15 and 23°C. High humidity is favourable