Spotted Wing Drosophila

General Since the start of its invasion in 2008/2009, the spotted wing drosophila, which is originally from Asia, has spread extensively in North and South America [...] tubes which stick out of the fruit. There are three larval instars and in the third instar the larvae are about 3.9 mm long. The pupae of Drosophila suzukii [...] cycle and appearance of Spotted wing drosophila Adult spotted-wing drosophila are small, 2-3 mm in lengthg, and have a wingspan of 6-8 mm. Males are smaller

Potato/tomato psyllid

difficult to control. In light of this, the export of fruit from susceptible crops to some parts of Europe, and the import into Mexico, is difficult, since [...] Overview It is a pest of huge economic importance, which initially affected potatoes and in recent years has become a problem for other Solanaceae crops [...] ‘psyllid yellows’, which results in delayed growth, weakness in the new leaves, chlorosis/reddening or purple colouration of the leaf bases and internodes,

Beetles

largest of all insect orders and displays an enormous variety of form, size and habit. A number of species are a serious pest in crops or stored products [...] group of insects that are easily recognizable on account of their hard wing covers (elytra). With more than 350,000 known species, Coleoptera is the largest [...] your crop Life cycle of beetles Beetle damage Both larvae and adults of beetles can cause damage to crops. The larvae of some species feed on growing tips

IPM app

management has always been a great challenge in agriculture. A healthy crop is paramount, while there is also a growing demand for sustainable food production [...] production and increased pesticide restrictions. Scouting is a significant part of pest management which can assist the grower to make timely decisions and [...] application, to assist growers with their in-depth integrated pest management program. Koppert iPM consists of two components, a Scout App and an online

Beneficial nematodes

group of worms belonging to the phylum Nematoda. Nematodes are characterized by their unsegmented, cylindrical bodies, and they come in a variety of sizes [...] microscopic to several inches in length. Nematodes play various roles in ecosystems. Some are free-living, feeding on organic matter in soil or water, and are [...] plants, insects, animals, or humans. There are about 25.000 named species, but estimated numbers of species are in the millions. Nematodes are also referred

Cabbage moth

destroy large numbers of leaves and their frass accumulates in the heart of cabbage, thereby lowering the commercial value of infested crops. Life cycle [...] or brown to black. In younger instars, the relatively large head capsule is conspicuous. In older instars, the lighter colour of the bands between the body [...] hiding in the crop during the day. Several days after emerging from their pupae the female moths lay clusters of 20 to 100 eggs on the underside of leaves

Cutworms

instars is usually observed as a cutting of young seedlings, often causing death of the cut seedlings. Sometimes wilting is observed because of partial [...] The larvae of these moths usually feed on roots and plant parts close to the ground, thereby often cutting the stems of young plants. This is where their [...] the growing stalk, disrupting the sap flow in the plant. Life cycle and appearance of Cutworms The adults of Agrotis spp. have pale grey to grey-brown forewings

Nutemia

montdorensis ) in the beginning of the season and at low prey densities. Mode of action When density of the target pest is low and there is no alternative [...] available in the crop Nutemia can be provided as alternative food source for predatory mites . This will ensure a standing army of predatory mites in the crop [...] Large heaps of carrier material may cause leaf damage, so make sure the material is distributed as a thin, even layer Dosage The dosage of Nutemia depends

Powdery mildew

production, so the net effect of the RH is very small. Wind and draught in greenhouses promote disease. In greenhouses, dispersal of spores over small distances [...] through the stomata and there are more stomata on the underside of the leaf. On the upper side, yellow spots are noticeable. In case of a severe epidemic, the [...] water and ‘hides’ on the underside of the leaves. Therefore, this is where the colonies mostly occur in these crops. In covered roses, the colonies appear first

Tomato looper

to the family of Noctuidae . It is a tropical and subtropical species originating in the Mediterranean and northern Africa. The larva is highly polyphagous [...] countries and is now one of the most frequently found pest species in greenhouses. Damage symptoms The tomato looper (Chrysodeixis chalcites) is primarily [...] cocoon is usually attached to the underside of leaves within folded edges, on random objects and on tomato fruit, often in a bunch of ripening tomatoes,