Municipality Doetinchem: Entonem nematodes managing oak processionary caterpillar

nematode product Entonem . A major advantage is that the bycatch of other caterpillars is much lower, which is a great benefit to biodiversity. In mid-April [...] monocultures of the oak and stimulating the natural enemies of the oak processionary caterpillar. As already stated, the use of nematodes is an important [...] ’ Entonem an important link Van Rijswijk is confident that the use of nematodes helps to reduce the level of infestation. ‘By using Entonem and extracting

Black vine weevil

Outdoors there is a single generation each year. A population of black vine weevils consists entirely of females and reproduction is by parthenogenesis [...] damage is caused by the feeding of the larvae on the roots. After the roots have been destroyed the larvae move into corms, rhizomes and stem bases of plants [...] within the stems of the plants. Both adult beetles and larvae are polyphagous and feed on a large number of plant species. High populations of larvae can destroy

Diamond back moth

but is now present wherever its cruciferous hosts exist and it is considered to be the most universally distributed lepidopteran species. It is highly [...] young seed pods, causing loss of pods and seeds. Life cycle and appearance of Diamond back moth The oval and flattened eggs of the diamond back moth (Plutella [...] and is green, sometimes suffused with pale yellow, with a few short hairs and small white patches. The larva has five pairs of prolegs; one pair of prolegs

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

Tobacco aphid

East and is a key pest of tobacco crops in both the United States and South America. The tobacco aphid ( Myzus persicae subsp. nicotianae ) is also encountered [...] therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit [...] nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the

Aphidius matricariae

Aphidius matricariae is a parasitic wasp belonging to the family Braconidae and is widely recognized for its role in biological pest control of aphids . This [...] This small wasp is a valuable natural enemy in both agricultural and horticultural settings. Aphidius matricariae is used for the control of the following [...] matricariae is most effective between 15 and 25°C (59 and 77°F). The effectivity is reduced at temperatures above 28°C/82°F. Behaviour of the parasitic

Encarsia formosa

transparent to brown in colour. The pupa of E. formosa is unique among the species of Encarsia , in that it is formed immediately beneath and in contact [...] internal tissues of the host, leading to its death and thereby contributing to the reduction of whitefly numbers. Encarsia formosa is highly adaptable [...] chemical pesticides. Life cycle and appearance of Encarsia formosa The development of E. formosa consists of six stages: the egg, three larval instars, a

Thrips

smaller and lack wings. One of the most distinctive features of thrips larvae is their characteristic "frass," which is a type of waste material that they [...] is ): This is a polyphagous species that feeds on a wide range of crops, including fruits, vegetables, and ornamental plants. It is one of the most damaging [...] This is a polyphagous species and is a pest in berries and many other crops Citrus thrips ( Scirtothrips aurantii ): This species is a major pest of citrus

Flowering potted plants

Begonia is a perennial flowering plants and belongs to the family of Begoniaceae . The genus consists of 1,795 different plant species. Some of these species [...] Kalanchoe is a tropical, succulent flowering plant and a genus that consists of about 125 species belonging to the family of Crassulaceae . Hibiscus is well [...] yellow and purple. Phalaenopsis is also known as the moth orchid. Its genus consists of some 60 species. The Phalaenopsis is an extremely popular flowering

Cabbage leafroller

Life cycle and appearance of Cabbage leafroller An adult female is 12 mm long and is ochre-yellow with darker markings. The male is slightly smaller and slimmer [...] body. The antennae are thin and of medium length. The moths fly when it is dark. The yellow eggs are laid in batches of 10 to 90 pieces and covered with [...] pairs of prolegs. They either make webs in which they hide, or live inside fruit or flowers. It is these webs that cause the leaves to curl. Many of these