Natupol Excel

Colony development depends on environmental conditions and the amount and quality of pollen. Presentation One large colony of bumblebees including a queen [...] crop and depends on environmental conditions. Always consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy [...] 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

Leaf miners

the harvest is affected. The size of a leaf tunnel depends on the stage of development of the leaf, the species of host plant and the species of leaf miner [...] Agromyzidae. This is a family of small flies whose larvae tunnel into the leaves of plants, creating ‘mines’. There are many species of leaf miner affecting [...] the exception of ornamental crops, this is usually of less significance. Seedlings and young plants can be totally destroyed as a result of the direct damage

Two-spotted spider mite

webbing and spotting on the leaves affects the appearance of the crop. This is of particular concern in ornamental crops. Life cycle of two-spotted spider [...] mite ( Tetranychus urticae ) is a pest of many crops throughout the world. Despite their small size, they are capable of very rapidly doing severe damage [...] capacity. There are more than 1200 species worldwide and many of them are major crop pests. The two-spotted spider mite ( Tetranychus urticae ) is by far

How to protect bumblebees from heat

temperature of 28°C inside the hive in any environmental conditions. Above 28°C the pollination capacity is reduced as their activity is focused on cooling [...] in a cool spot. There are various methods available for growers to do so: Right placement Placing the hive near the ground on the shade of the crop can keep [...] be reduced if the humidity is too low or radiation is too high. In conventional greenhouses, the recommended humidity range is 60-75%. Due to better air

Aphidius colemani

environments. Aphidius colemani is widely used in the biological control of aphids . Aphidius colemani is used for the control of the following pests: Cotton [...] they are at low density. The behaviour of the female during egg-laying is typical of the Aphidiidae. First the host is examined by drumming with the antennae [...] wings, and is black with dark brown legs. A female has a more pointed abdomen that is as long as the wings, is equipped with an ovipositor, and is black, with

Japanese beetle

the body. It is a pale-cream colour at first, gradually becoming tan and finally taking on the metallic green of the adult. The adult is an attractive [...] actions were taken to prevent further spread. The Japanese beetle is on the A2 list of the European Plant Protection Organization (EPPO). To prevent its [...] symptoms Skeletonized foliage is the most common symptom of feeding by the adult. The beetles generally feed from the upper surface of leaves, chewing out the

Citrus mealybug

an adequate intake of protein, mealybugs must therefore ingest large quantities of sap, getting rid of the excess sugars in the form of honeydew. Charac [...] shorter than 20% of body length. They produce little wax, so that the light yellow to pink body is visible through its waxy covering. There is often a darker [...] melon and aubergine. Damage symptoms Although most species of mealybug feed on the aerial parts of the plant, some species extract their nourishment from roots

Feltiella acarisuga

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 [...] acarisuga is a predatory gall midge highly effective in the biological control of spider mites . This beneficial insect, native to Europe, preys on various

General Conditions Koppert

compensation T of any damages suffered in any manner as a result of late delivery, excepting in cases of intent or gross negligence on the part of Koppert. The [...] confirmation is signed by a person who is authorized to enter into the agreement; b. by the reaching of a written consensus on an order form which is used [...] I n case of liquidation, insolvency, suspension of payments, bankruptcy, transfer of business or merger or divestment of the Buyer; vesting of a pledge

Diglyphus isaea

programs. Diglyphus isaea is used for the control of the following pests: Leaf miners The parasitic wasp Diglyphus isaea is available at Koppert as Miglyphus [...] isaea is available in a bottle ( Miglyphus ). Release parasitic wasps between the leaves of the crop in the morning or in the evening The dosage of the parasitic [...] sustains itself on nectar and honeydew. Life cycle and appearance of Diglyphus isaea Because Diglyphus isaea is an ectoparasite, all instars (egg, larva