• Aphids

  What are aphids? Aphids form a single, very large group of insects: the super- family Aphidoidea, belonging to the order Hemiptera . The aphids discussed [...] significant aphids that occur in greenhouses are: Myzus persicae subsp. persicae ( green peach aphid ) and Myzus persicae subsp. nicotianae ( tobacco aphid ) on [...] solani (glasshouse potato aphid), mainly on Solanaceae and various ornamental crops, e.g. begonia. Recognize aphids Aphids can be identified by the following

• Tobacco aphid

  tobacco aphid tends to form denser colonies, closer to the top of the plant, than the peach potato aphid. It is not known to what extent tobacco aphids ( Myzus [...] General The tobacco aphid ( Myzus persicae subsp. nicotianae ) probably evolved from the peach potato aphid in the Far East and is a key pest of tobacco [...] nicotianae ) can also transmit viruses. Life cycle and appearance of Tobacco aphid Aphids have a complex life cycle, with both winged and wingless forms of adults

• Cotton aphid

  The cotton aphid ( Aphis gossypii ) is an extremely polyphagous aphid found on more than 700 plant species. Crop plants attacked by this aphid include cotton [...] cucumber. Damage symptoms The cotton aphid ( Aphis gossypii ) is an important vector for viral diseases. This aphid species can transmit more than 50 different [...] is reduced, affecting production. Life cycle and appearance of Cotton aphid Aphids have a complex life cycle, with both winged and wingless forms of adults

• Green peach aphid

  distribution. The green peach aphid ( Myzus persicae subsp. persicae ) is a particularly polyphagous aphid with summer host plants from more than 40 different [...] different families. Damage symptoms Of all the aphids , the peach potato aphid ( Myzus persicae subsp. persicae ) is the most important vector of viral [...] The aphid’s saliva can induce strong “allergic” reactions such as malformations of the growing tips. Life cycle and appearance of green peach aphid Aphids

• Aphidius colemani

  instar aphids are preferred, but all stages can be parasitized, including winged aphids. Parasitized fourth instar aphid nymphs and adult aphids will produce [...] control of the following pests: Cotton aphid ( Aphis gossypii ) Green peach aphid ( Myzus persicae) Tobacco aphid ( Myzus nicotianae ) The natural enemy [...] controlling aphid populations in various agricultural and horticultural environments. Aphidius colemani is widely used in the biological control of aphids . Aphidius

• Aphidoletes aphidimyza

  , relative humidity, age and size of the aphids, and the aphid species. The time required to consume an aphid can vary from a few minutes to several hours [...] specifically targeting aphids . This beneficial insect is widely employed in integrated pest management (IPM) programs to suppress aphid populations in various [...] climate, crop and aphid density and should always be adjusted to the particular situation. Start introduction as soon as the first aphids are detected in

• Predatory insects

  they feed on aphids. Gall midges are considered beneficial insects because they specifically target aphids. By naturally reducing aphid populations, gall [...] referred to as "aphid lions," are particularly effective in controlling aphids . They use their strong jaws to grasp and consume aphids at a high rate. [...] are highly mobile and actively seek out aphid colonies, helping to keep their populations in check. Next to aphids, lacewings also contribute to the control

• Aphidius matricariae

  with a distinctive feeding behavior that targets aphids . After the female wasp lays her eggs inside an aphid, the larvae hatch and begin to feed internally [...] develop and grow while depleting the aphid population. The larvae are adept at adjusting their feeding rates based on aphid density, optimizing their predatory [...] impact in areas with high aphid concentrations. In this way, Aphidius matricariae plays a crucial role in controlling aphid infestations and reducing the

• Aphelinus abdominalis

  Aphid control with the parasitic wasp Aphelinus abdominalis Aphelinus abdominalis is a parasitic wasp for the biological control of various aphid species [...] biological control of the following pests: Potato aphid ( Macrosiphum euphorbiae ) Glasshouse potato aphid ( Aulacorthum solani ) The natural enemy Aphelinus [...] with the adult wasp piercing the aphid with her ovipositor, and sucking it empty without laying an egg. The small aphids are used for host feeding while

• Aphilin

  for potato aphid ( Macrosiphum euphorbiae ) and glasshouse potato aphid ( Aulacorthum solani ). It also has an effect on the peach potato aphid ( Myzus persicae [...] persicae ) and other aphid species. Mode of action Adult parasitic wasps emerge from the mummies and females lay their eggs in aphids . The next generation [...] generation of parasitic wasps develops inside the aphid, which converts into a leathery mummy. The adult parasitic wasp emerges through a hole at the rear of