• Large blackberry aphid

  very similar to the large raspberry aphid Amphorophora idaei . As both aphid species are host specific the host plant is the simplest method to distinguish [...] with unfertilized viviparous females continuing to produce new generations of females. Aphids moult four times before reaching adulthood. With each moult they [...] the crop. Wingless females of the large blackberry aphid are 2.6-4.1 mm long, pale to yellowish green with long antennae, legs and siphunculi. The cauda

• Large raspberry aphid

  with unfertilized viviparous females continuing to produce new generations of females. Aphids moult four times before reaching adulthood. With each moult they [...] the crop. Wingless females of the large raspberry aphid are 2.6-4.1 mm long, pale to yellowish green with long antennae, legs and siphunculi. The cauda [...] appear in June and July and migrate to new canes or host plants where they produce wingless aphids again. In October to December winged aphids appear again

• Rose aphid

  with unfertilized viviparous females continuing to produce new generations of females. Aphids moult four times before reaching adulthood. With each moult they [...] presence in the crop. Wingless females of the rose aphid are 1.7-3.6 mm long and green or deep pink to red-brown. The antennae and sometimes the head is dark [...] aphids. In summer, winged aphids spread the infestation to other rose plants and sometimes also to secondary hosts. Colonies are often present on rose bushes

• Blueberry aphid

  with unfertilized viviparous females continuing to produce new generations of females. Aphids moult four times before reaching adulthood. With each moult they [...] Blueberry aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes [...] eggs produce wingless and winged parthenogenic females which then continue to produce females. The aphids are mainly found on young shoots. Peak aphid densities

• Strawberry aphid

  etic forms. There is no sexual stage and no eggs are laid. Adult wingless females of Chaetosiphon fragaefolii are translucent yellowish white to pale greenish [...] capitate hairs. They are relatively small aphids with a body length of only 0.9-1.1 mm. The aphids mainly feed on the underside of young leaves. On outdoor s [...] appear in May and June; these aphids disperse to other plants and fields. Winged aphids appear again from October to December.

• Consumers

  around the world to combat pests and diseases in a natural and sustainable way. In this way, we hope to make an active contribution to a sustainable society [...] greenhouses. By the time a delicious little tomato reaches your plate, it has already had a very long journey. The plant first has to form fruit before the [...] support. Koppert therefore sells its products exclusively to professional growers and farmers. In order to provide you with the best possible service as a consumer

• Apple rosy aphid

  life cycle, with both winged and wingless forms of adults, and a great variety in colour. They moult four times before reaching adulthood. With each moult [...] Adult viviparous (wingless) females of the rosy apple aphid are 2.1-2.6 mm long and pink to dark bluish grey, with a powdering of white wax. The siphunculi [...] spreads to young shoots. In spring and summer, reproduction takes place by parthenogenesis, with unfertilized viviparous females continuing to produce

• Wheat bunt

  in the soil or on seed. These teliospores germinate in response to moisture and form basidiospores, also called primary sporidium. Two mating types are [...] the other mating type so that H-shaped structures are formed. These can germinate directly or form secondary sporidia. These sporidia infect the wheat seedlings [...] teliospores. These balls break during harvest allowing the teliospores to fall to the ground. Additionaly, these teliospores contaminate healthy kernels

• Oleander aphid

  while the wingless forms (apterae) are yellow with black cornicles, antennae, legs, and cauda (tip of abdomen). Nymphs are similar to apterae in appearance [...] appearance except that they are smaller. Size ranges from 1.5 to 2.6 mm in length. Females are viviparous and parthenogenetic, meaning that they deposit nymphs [...] reproduction, high fecundity, and short generation time allow large colonies of oleander aphids to build up quickly on infested plants.

• Praon volucre

  tal time for Praon volucre on Macrosiphum euphorbiae from oviposition to adult emergence is 13 days. At 16°C, the developmental time slows down to 26 days [...] Praon volucre Praon volucre is a parasitic wasp that belongs to the family Braconidae and to the subfamily Aphidiinae . Praon volucre is one of the most [...] adjusted to the particular situation. Start introduction preventively soon after planting of the crop. Introduction rates typically range from 0.75-1.5 parasitic