• Green peach aphid

  different families. Damage symptoms Of all the aphids , the peach potato aphid ( Myzus persicae subsp. persicae ) is the most important vector of viral [...] young aphids are born as developed nymphs. They immediately start to feed on plant sap and grow rapidly. When reproduction is sexual, the aphids lay eggs [...] distribution. The green peach aphid ( Myzus persicae subsp. persicae ) is a particularly polyphagous aphid with summer host plants from more than 40 different

• Rice root aphid

  rice root aphids will exhibit some or all of the following symptoms: Wilting; leaves become discoloured and yellow. “Honeydew” deposited on the plant by [...] only live a few days without feeding on a host plant and they give birth to live offspring instead of laying eggs. Damage symptoms Because they suck the plant’s [...] by aphids promotes the growth of mould and fungus. Transmission of viral disease between plants. Life cycle and appearance of the Rice root aphid Like

• Buckthorn-potato aphid

  body length. The aphids overwinter as eggs on buckthorn. After emerging in spring, the aphids mainly feed on the underside of leaves of their summer hosts [...] worldwide distribution. Damage symptoms Direct damage, caused by sucking of sap is rarely seen. Sometimes, large populations build up on potatoes or other hosts [...] of viruses. Life cycle and appearance of Buckthorn-potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a

• Mottled arum aphid

  ms, Begonia and Fuchsia, and also sweet pepper. Damage symptoms Large colonies of mottled arum aphids can greatly reduce plant vigour and kill the plant [...] through sucking of plant sap. However, also at lower densities the aphids can damage plants because they produce large amounts of honeydew, which provides [...] also transmit plant viruses. Life cycle and appearance of Mottled arum aphid Aphids moult four times before reaching adulthood. With each moult they shed

• Cannabis Aphid Prevention Strategies

  July 12, 2024

  signs of honeydew and aphid exoskeletons (aphid shedding). Do not rely on sticky cards for early aphid detection. This only detects aphids very late in the [...] used aphid insecticides that are key for aphid control in other crops. If the Cannabis Aphid enters your garden space, it will typically come in on clones [...] excrement. If left untreated, major economic damage will occur because of direct bud contamination by the aphids, aphid exoskeletons, sooty mold (encouraged by

• Six Ways to Identify the Cannabis Aphid

  May 24, 2024

  their dependency on the aphid species. The majority of all aphid samples brought to us from indoor cannabis crops is either the Cannabis Aphid ( Phorodon cannabis [...] misidentification of aphid species. Correctly identifying aphids is critical when treating a crop with natural enemies, especially when using aphid parasitoids [...] cannabis ) or the Rice Root Aphid ( Rhopalosiphum rufiabdominale ). Here are Six Ways to Properly Identify the Cannabis Aphid: 1. For ID purposes, it’s crucial

• Do you think you have Cannabis Pests?

  June 27, 2024

  you will begin to see signs of stippling on the leaf surfaces, silvering on leaves from older feeding damage, and black frass (fecal matter). The most [...] and leaves, while performing “leaf flips.” These leaf flips are important, as most pest infestations begin to develop on the undersides of leaves. Pests [...] posts, or doors. Initially the damage will start off as small yellow speckles, rapidly turning into severely damaged leaves with a major amount of webbing

• Caterpillars

  20880.jpg Buckthorn aphid Aphis nasturtii Koppert Natupol_Fly_checklist_6.jpg Pear sucker Cacopsylla pyri Psyllid damage on leaves Koppert Squash_Kopp [...] Caterpillars are highly destructive pests that feed on leaves, stems and fruits, causing serious damage to greenhouse and field crops. Their feeding reduces [...] serious economic damage. Most species feed on leaves and young shoots, and their enormous feeding capacity can rapidly decimate a plant. Very small ca

• Tomato

  tiny mites feed on tomato leaves and stems. Affected areas turn a rusty brown colour, leaves becoming slightly curved with a silvery shine on the underside [...] Considerable damage can occur at high density when eventually fruits will also be affected, and leaves dry out quickly. Damage is first seen on the lower [...] Shore fly Tomato looper Cabbage leafroller Potato aphid Cotton aphid Glasshouse potato aphid Green peach aphid Greenhouse whitefly Tobacco whitefly Two-spotted

• Mealybugs and scales

  20880.jpg Buckthorn aphid Aphis nasturtii Koppert Natupol_Fly_checklist_6.jpg Pear sucker Cacopsylla pyri Psyllid damage on leaves Koppert Gummy stem blight [...] the damage they cause by sucking plant sap, mealybugs and soft scales also produce honeydew (on which moulds grow) resulting in considerable damage in [...] also against synthetic pesticides. Mealybug & scale damage Although most species of mealybugs feed on the aerial parts of the plant, some species extract