• Cryptolaemus montrouzieri

  beetle is most effective in controlling large populations of mealybugs. Once the supply of mealybugs becomes inadequate, the ladybirds fly off in search [...] nymphs. The larvae of the late third and fourth in stars are the most voracious, consuming up to 30 mealybugs per day. 226 Beetles and larvae are most active [...] control The predatory beetle Cryptolaemus montrouzieri is a species of beetle belonging to the family Coccinellidae. The beneficial insect is a small but

• Predatory mites

  Scouting is essential to know where the pest is, how severe the infestation is and to identify the pest. Select the right predatory mite: Choose the appropriate [...] chemical pesticides. Koppert is the pioneer in the development of predatory mite solutions, starting in 1967 with the rearing of the predatory mite Phytoseiulus [...] prey on the larvae of fungus gnats in the soil, preventing them from turning into adult fungus gnats. Predatory mites packaging Predatory mites in bottles

• Aphidoletes aphidimyza

  aphidimyza The predatory gall midge Aphidoletes aphidimyza is available in bottle ( Aphidend ). Open the bottle in the greenhouse Place the bottle directly [...] starts predigestion of the body contents. The larva then sucks out the body fluids, leaving the dead aphid hanging by its snout from the leaf to turn brown [...] directly on the soil or rockwool slabs or hang it in-between the plants Do not scatter the contents Once emerged, the adult gall-midges will leave the bottle

• Cottony soft rot

  (fruiting bodies) containing ascospores. The mycelium infects the stem base and the roots, whereas the ascospores infect the above-ground plant parts. In greenhouses [...] only mycelium is produced by the germinating sclerotia. The fungus grows quite rapidly inside the plant and kills the host cells. On the infected plant [...] cottony soft rot. In the mycelium, big, dark sclerotia are formed. They can easily be seen with the naked eye and look like rat droppings. The symptoms may

• Gummy stem blight

  fruiting bodies with spores, become visible. On the leaves, round and extending lesions may occur. In cucumber, the most important symptom is internal fruit rot [...] be recognized from the outside by the small narrowing of the tip of the mature fruits. The symptoms on stems, leaves and inside the fruits may occur together [...] higher up on the stem. On the lesions, golden-brown gummy drops occur, hence the name gummy stem blight. On the lesions, black specks, the new fruiting

• Shore fly

  instar larva is translucent white. Second instar larvae are brownish, less translucent and their body is cylindrical. The larvae are found in the top layer [...] Shore fly The life cycle of the shore fly ( Scatella tenuicosta ) has the following stages: egg, three larval instars, a pupa and the adult fly. The eggs are [...] commonly, often in the vicinity of water. They feed on algae. Other shore fly species have diverse feeding habits but the larvae of most species feed on

• Chrysopa-E

  species . Mode of action Larvae of the lacewing attack their prey and suck their body fluids. Visual effect Prey is sucked out, shrivelled skins are difficult [...] find. Chrysoperla carnea larvae are active mainly during the night. The larvae hide during the day. Pack size 100,000 eggs. Presentation 90 ml cardboard [...] Koppert products for advice on the best strategy for your situation. Environmental conditions Chrysoperla carnea is effective in a wide temperature range including

• Adalia bipunctata

  aphid infestations without the need for chemical pesticides. The predatory beetle Adalia bipunctata is used for the control of the following pests: Aphids [...] aphid species, but the product Aphidalia is especially designed for the control of aphids in trees. How to use Adalia bipunctata The predatory beetle Adalia [...] Adalia bipunctata is available in a cotton bag ( Aphidalia ). Open the bag and attach it to the tree near the first branch with a nail or wire stitch Apply

• Transeius montdorensis

  case the predatory mites multiply in the sachet and disperse into the crop over a period of several weeks. Hang sachets in sheltered locations in the crop [...] feed on pollen, which is useful, for instance, in sweet pepper crops, as the predatory mite can establish in the crop before the pest appears. Transeius [...] is in bottles The predatory mite Transeius montdorensis is available in a bottle ( Montdo-Mite ). Turn and shake bottle gently before use Push the centre

• Chrysopa

  difficult to find. Chrysoperla carnea is active mainly during the night. The larvae hide during the day. Pack size 1,000; 10,000 larvae. Presentation 500 [...] as soon as the first pests are detected in the crop. Introduction rates typically range from 2-20 per m 2 /release. Releases should be made in infested areas [...] conditions Chrysoperla carnea is effective in a wide temperature range including low temperatures (average > 12°C/54°F). It is most effective at 20-28°C (68-82°F)