Mottled arum aphid

Neomyzus circumflexus , has a cosmopolitan distribution and a wide host range. In temperate climates it is primarily a pest in greenhouses where it attacks [...] result in an unattractive plant with a much lower market value. Neomyzus circumflexus can also transmit plant viruses. Life cycle and appearance of Mottled [...] they produce large amounts of honeydew, which provides an excellent substrate for the growth of black sooty mould. Large areas of mould covering the leaves

Parasitoid wasps

wasps are highly specialised, with different species targeting specific pests. They are effective in reducing the population of harmful insects, making them [...] animals, or the environment. Benefits of parasitoid wasps Using parasitoid wasps for pest control offers a range of benefits: Enhanced crop protection : Parasitoid [...] introduction of parasitoid wasps into commercial growing environments can promote biodiversity, as the use of harmful chemicals decreases. This, in turn, creates

Tomato looper

covered with a few stiff hairs. In older caterpillars , each segment has a clear black dot above the lateral yellow lines. There are three pairs of prolegs [...] underside of leaves within folded edges, on random objects and on tomato fruit, often in a bunch of ripening tomatoes, however, it can also be found in the soil [...] caterpillar passes through 6 instars. It has a green head capsule and a yellowish-green body with a clear yellow longitudinal stripe on either side, and

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 [...] 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 [...] stands of the European horse-chestnut in Greece, Albania and Macedonia. It was first observed attacking ornamental horse-chestnut trees in Macedonia in the

Cactus mealybug

white waxy material in the form of powder, threads, spiky projections or platelets. Eggs are laid in a sticky, foamy mass of wax threads, called an egg sac [...] appearance of Cactus mealybug Mealybugs get their name from the fact that the body of the females from the third nymphal instar onwards are covered with a white [...] (formerly known as Spilococcus cactearum ) is a pest of cacti and other succulents. It was first described in England but its origin is not clear. It is now

Blueberry aphid

appearance of Blueberry aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses [...] most likely of North American origin and was probably introduced into Europe with plant material. It feeds on blueberries and is a vector of blueberry scorch [...] Damage symptoms Blueberry aphids live in dense colonies on young shoots of blueberry bushes and produce large amounts of sticky honeydew. The aphids spread

Dwarf bunt

plants only reach a fraction of their normal height. Spikes are generally broader and the glumes opened wider, than in plants infected with Tilletia tritici [...] types are distinguished. The filiform basidiospores fuse in the middle with a basidiospore of the other mating type so that H-shaped structures are formed [...] y, these teliospores contaminate healthy kernels, which in turn become a source of disease in the next season. The optimum temperature for germination

Obscure mealybug

originates from South America, but can now be found in many parts of the world with a temperate climate. It has a very similar appearance to the citrus mealybug [...] effect is a reduction of photosynthesis and therefore the yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order [...] 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

Entomite-M

insects. The mites appear in and on the soil and at the base of plant stems. The reduction of the infestation level occurs at a slow but steady rate. Pack [...] detected in the crop. Introduction rates typically range from 100-500 per m 2 /release. Consult a Koppert advisor or a recognised distributor of Koppert [...] Pests Eggs, larvae and pupae of sciarid flies ; thrips pupae. Mode of action The predatory mites feed on larvae of sciarid flies , thrips pupae and other

Picusan

per hectare along the perimeter of the field with a distance of 25 metres between traps Combined use Use in combination with Pherosan Rhynchophorus ferrugineus [...] palms. Mode of action The Picusan trap needs to be used in combination with species-specific pheromone and/or kairomone. The dispensers release a species-specific [...] population. Presentation Ten sets in a box. Preparation When using the pheromone: place the pheromone dispenser in the top basket of the trap When using the kairomone: