Impatiens thrips

able to spread as a consequence of the trade in foliage plants. Impatiens thrips (Echinothrips americanus) has a wide range of hosts. In addition to many [...] and is often present on weeds in greenhouses. Life cycle and appearance of Impatiens thrips Impatiens thrips (Echinothrips americanus) develops in six [...] the leaves themselves can shrivel. Echinothrips americanus is often found low in the crop. In sweet pepper the damage can be seen as discolouration of older

Natupol Excel

Natupol Excel is developed for crops with a high amount of flowers per m² (35-60 flowers) per week, and for crops grown under artificial light or in warmer [...] (<10 hours light) position the hive near the top of plants, in such a way that the hive is exposed to the first daylight Wait for at least 15 minutes after [...] 15–25°C. Storage conditions Keep hives in a well ventilated environment, out of direct sunlight. Hygiene Never move a hive from one greenhouse to another

Macrocheles robustulus

Macrocheles robustulus is a species of predatory mite known for its role in biological pest control , particularly in agricultural and horticultural settings [...] found in high numbers in greenhouses in soil which has been enriched with compost. As natural enemies of various pests, Macrocheles robustulus plays a vital [...] their prey and suck out the contents. Macrocheles robustulus is a generalist predator. In addition to soil-dwelling thrips stages, it also feeds on fly

Horse-chestnut leaf miner

the pupal stage in a cocoon in dead leaves. The emergence of adults in spring occurs in April and May, depending on climatic conditions. After mating, each [...] 5 mm in the firsts instar up to 3.5 mm in the fourth instar. The pupa is brown and is 2.9-4.5 mm long. The horse-chestnut leaf miner overwinters in the [...] not build a true cocoon in the mine. The percentage of larvae which spin true cocoons increases in each of the subsequent generations. Adults of the first

Natupol

(<10 hours light) position the hive near the top of plants, in such a way that the hive is exposed to the first daylight Wait for at least 15 minutes after [...] 15–25°C. Storage conditions Keep hives in a well ventilated environment, out of direct sunlight. Hygiene Never move a hive from one greenhouse to another [...] before placing new hives Disposal After the pollination cycle, once there is no life in the bumblebee colonies, the ‘Beehome’ system should be closed. Remove

Aphipar-M

converts into a leathery mummy. The adult parasitic wasp emerges through a hole at the rear of the mummy. The first mummies are noticed in the crop around [...] material on rock wool slabs or in Diboxes Make sure the material remains dry and is not moved from its introduction site for at least a few days Dosage The dosage [...] /release. Releases should be repeated at least 3 times. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best

Miglyphus

using the dead larvae as food. Adult females also kill young leaf miner larvae by using them as a food source. This is known as host feeding. Visual effect [...] size 500 adults. Presentation 100 ml bottle. Carrier None. Application Release parasitic wasps between the leaves of the crop in the morning or in the evening [...] intervals or until control is achieved. At low temperatures (<20°C/68°F) it might be better to use Minusa . Consult a Koppert advisor or a recognised distributor

Natupol Smart

(<10 hours light) position the hive near the top of plants, in such a way that the hive is exposed to the first daylight Wait for at least 15 minutes after [...] 15–25°C. Storage conditions Keep hives in a well ventilated environment, out of direct sunlight. Hygiene Never move a hive from one greenhouse to another [...] before placing new hives Disposal After the pollination cycle, once there is no life in the bumblebee colonies, the ‘Beehome’ system should be closed. Remove

Pepper weevil

2 to 3.5 mm in length, and over time they turn grey, reddish-brown, or nearly black. Their main distinguishing feature is a ‘snout’ which is longer than [...] the best approach is to monitor them during the cooler parts of the day, as this is when they are most active. Another recommendation is to inspect the ground [...] ground, it is clear that the crop has been very severely damaged. Lifecycle and appearance of the pepper weevil Newly hatched adults have a light brown

Rose aphid

of Rose aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction [...] aphid, Macrosiphum rosae , is a serious and often abundant pest of roses. It is virtually cosmopolitan and widely spread in Europe. Damage symptoms In [...] dark in colour. The siphunculi are black and bent outwards. The rose aphid usually overwinters on rose bushes in the egg stage, although in mild winter some