• Rice root aphid

  or all of the following symptoms: Wilting; leaves become discoloured and yellow. “Honeydew” deposited on the plant by aphids promotes the growth of mould [...] mould and fungus. Transmission of viral disease between plants. Life cycle and appearance of the Rice root aphid Like most aphids , the rice root aphid appears [...] wingless form is dark olive-green, with a round body 1.4–2.4 mm long. It lives and feeds on the roots of the host plant. The winged form is about 1.8 mm long

• Buckthorn-potato aphid

  transmission of viruses. Life cycle and appearance of Buckthorn-potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults [...] n distribution and is a major pest of potatoes, where it also transmits viruses. It also attacks a large number of other crops, for instance sweet pepper [...] betraying their presence in the crop. Wingless females of the buckthorn- potato aphid are 1.1-2.4 mm long and bright pale green to yellowish green. The

• Aphidalia

  Pests All species/stages of aphids . Mode of action The ladybirds feed on aphids and lay eggs in the aphid colonies. After emergence, the larvae also feed [...] diameter, maximum 3 bags per tree Dosage The dosage of Aphidalia depends on climate and the size of the trees and should always be adjusted to the particular [...] bags for large trees. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your situation. Environmental

• Do you think you have Cannabis Pests?

  June 27, 2024

  major amount of webbing. This can quickly kill a plant due to the lack of photosynthesis. We use two different predatory mites for the control of Spider Mites [...] capture mass amounts of sciarid fly adults. Removing adults from your crop will decrease the number of eggs laid, reducing the development of larva. The larva [...] photoperiod that occurs in the flowering stage of the cannabis production cycle. This stage triggers a portion of the population to turn a red/orange/purple

• Chrysoperla carnea

  honeydew and most will fly out of the greenhouse. Life cycle of Chrysoperla carnea You can recognize the different life stages of the green lacewing, Chrysoperla [...] s. The larvae of green lacewings are particularly effective predators. The green lacewing Chrysoperla carnea is used for the control of the following pests: [...] behaviour of Chrysoperla carnea Lacewing larvae search for prey randomly on the plant. Their efficiency is seriously impaired by the presence of leaf hairs

• European corn borer

  Damage symptoms Horizontal rows of holes in the young leaves, caused by larval feeding, provide an early indication of European corn borer attack. Later [...] fewer kernels per ear. Life cycle and appearance of European corn borer The adults have a wingspan of 22-32 mm and pale yellowish to olive brown forewings [...] black head of the larva can be seen just before hatching. The eggs are laid in a mass and overlap like tiles on a roof. The average number of eggs per egg

• Buxatrap

  the trap on a stick at a height of 1.5 metres Replace the pheromone capsules every eight weeks Dosage 1 trap per 30-180 m 2 . Timing Use Buxatraps when moths [...] pheromone. Pests Box tree moth ( Cydalima perspectalis ). Crops Box trees Mode of action The Buxatrap needs to be used in combination with Pherodis pheromone [...] dispensers release a species-specific sex pheromone which lures the males of the box tree moth into the trap. Once in the trap they cannot escape and are

• Rhyzobug

  Aulacaspis spp ., and other species of armoured scale insects. Mode of action Adults and larvae feed on all stages of armoured scale insects. Visual effect [...] can be stored for 1-2 days. Storage temperature 10-15°C/50-59°F. Storage conditions In the dark. Recommended for you The journey of sustainable citrus farming [...] that adults may not fly away immediately after release. Dosage The dosage of Rhyzobug depends on climate, crop and armoured scale density and should always

• Aphidoletes aphidimyza

  condition of the predator, as well as the size of the prey. Life cycle of Aphidoletes aphidimyza Growers can recognize the different life stages of the gall [...] Feeding behaviour of Aphidoletes aphidimyza The searching behaviour of adult female gall midges is extremely efficient. They are capable of locating aphid-infested [...] per m 2 /release. Releases should be repeated at weekly intervals until control is achieved. Consult a Koppert advisor or a recognized distributor of Koppert

• Understanding Orius

  July 12, 2024

  to establish, it is best not to apply Thripor from the end of September to the end of March of the following year (between wk 39 and wk 12). However, they [...] like cannabis, Thripor will have a harder time establishing because of the amount of trichomes that can be found on the cannabis plant. Leaf hair density [...] eggs they lay during a lifetime). Because of this, it is best to treat curatively without the expectation of establishment. Note: A curative treatment