• Cannabis aphid

  states and parts of Canada. The cannabis aphid closely resembles the hop aphid ( Phorodon humuli ), to the point that microscopic analysis of the head is required [...] cucumber mosaic virus, hemp mottle virus and alfalfa mosaic virus. Life cycle and appearance of the Cannabis aphid Adult cannabis aphids are between 1.8–2.7 [...] (antennal tubercles). Their cornicles (the pair of small, upright, backward-pointing tubes on the aphid's rear end) are white and almost ⅓ the insect’s body

• Praon volucre

  Praon volucre is one of the most abundant parasitoids of many aphid species in Europe. Praon volucre is used for the control of the following pests: Potato [...] around it and sticking the end of the label back onto the label Turn the lid until the small holes align with the opening The dosage of Aphiscout depends on [...] Behaviour of the parasitic wasp Praon volucre At a temperature of 22°C Praon volucre females can lay 500 eggs in Macrosiphum euphorbiae over a period of 18 days

• Aphelinus abdominalis

  parasitized. The control of the aphids is due to host feeding and parasitization in roughly equal measure. Life cycle and appearance of Aphelinus abdominalis [...] the biological control of various aphid species. The parasitic wasp Aphelinus abdominalis is used for the biological control of the following pests: Potato [...] soon after planting of the crop. Introduction rates typically range from 0.25-4 per m 2 /release. Releases should be repeated a number of times. Consult a

• South American palm borer

  abnormal twisting of stipes; abnormal drying up of the palm, especially of the core leaves. Heavy larval attack may kill the palm tree. Life cycle and appearance [...] appearance of South American palm borer The eggs of the South American palm borer (Paysandisia archon) are fusiform (tapering off at both ends), resembling [...] spread over large distances mainly through movement of infested plant material. Damage symptoms Larvae of the South American palm borer (Paysandisia archon)

• Wheat

  about the end of May to the beginning of June. This flowering period is rather long (usually lasting longer than a week), because not all flowers of one single [...] particular type of fruit referred to as caryopsis. Wheat originates from southwestern Asia, or more specifically the Levant region that lies east of the Mediterranean

• Onion

  vegetable. This particular species is the most extensively produced species of the genus of Allium . The onion plant is usually a biennial or perennial plant. When [...] however, the plant is mostly handled as an annual and harvested at the end of its first production season. Onions are popular and therefore cultivated

• Thrips Identification Guide

  Parthenothrips dracaenae Leaf-gall thrips of ficus Gynaikothrips uzeli 1 Pronotum is the foremost dorsal shield of the thorax. 2 Dorsal shields below the [...] compound eyes and 2 between the ocelli. Upper part of pronotum with long setae. Forewing with 2 complete rows of veinal setae. Comb complete with small microtrichia [...] Females 1.6 mm long, males 1.3 mm. Dark brown to black and armoured. End segments of legs yellow. Forewings dark, but sharply white near the base. 8 antennal

• Amblydromalus limonicus

  instar larvae of thrips and lays 3 eggs per day at 25°C under optimal conditions. Life cycle of Amblydromalus limonicus The life cycle of Amblydromalus [...] to suppress high densities of thrips and whitefly. Key advantages of Amblydromalus limonicus: Targets multiple life stages of thrips and whitefly, including [...] lus limonicus prefers the larvae of various species of thrips (first and second larval stages) and eggs and larvae of greenhouse whitefly ( Trialeurodes

• Feltiella acarisuga

  and only need water and sugar. Life cycle of Feltiella acarisuga Growers can distinguish between the various life stages of the predatory gall midge, Feltiella [...] adapt the amount of food they consume to the density of the spider mite population. Where there are large, localised concentrations of spider mite, Feltiella [...] diameter of spider mite eggs and almost banana shaped. Larval Stage : The colour of the larva is usually orange but can vary according to the colour of prey

• Tobacco thrips

  symptoms of a Thrips parvispinus infestation is crucial for early detection and effective pest management. Deformation of young shoots and leaves One of the [...] points for pathogens, further threatening the health and value of the produce. Life cycle of Thrips parvispinus The tobacco thrips Thrips parvispinus develops [...] management and increase the risk of infestations. Practice crop rotation : Implement crop rotations to disrupt the life cycle of Thrips parvispinus and reduce