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 [...] the males form a pupa. After a complete metamorphosis, a winged male emerges from this pupa. The males lack mouth parts and are incapable of feeding. They [...] (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

Tobacco whitefly

the physiology of the plant, as a result of which growth is retarded. In full sunlight, leaves can wilt and fall. Such leaf damage can in turn influence [...] transmission of viruses, including TYLCV in tomato. The consumption of plant sap and secreting of honeydew by whiteflies reduce the aesthetic value of crops. [...] irregular ripening in tomatoes and sweet peppers, yellowing of the flower stalks in gerbera, and serious yellowing of the leaves of French beans. Other

Cut flowers

descended from a number of freesias. Lily : Lilium is a genus of herbaceous flowering plants. Most lilies originate from temperate areas in the northern [...] the Hydrangea has been grown as a cut flower in all sorts of colors and sizes. Hippeastrum is the Latin name for a bulbous plant that originates from [...] Mexico and the Caribbean. Is grown from a bulb as a cut flower or sold as a pot plant. Freesia : The freesia is a herbaceous perennial flowering plant from

Akanthomyces muscarius

um muscarium is a species of beneficial fungi commonly used in biological pest control . This fungus is known for its effectiveness in controlling various [...] equipment. It is compatible in the tank mix with a wide range of other plant protection products, making it easy to integrate in your current spraying program [...] the demise of the pests. As a result, Lecanicillium muscarium effectively suppresses populations of whiteflies, aphids, and thrips, providing a natural and

Lyprauta

appearance of Lyprauta The adults of the three species can be distinguished by the wing pattern of adults. Adults of P. trinidadensis have a variation of dar [...] area, the roots produce large numbers of new branches. This ultimately results in a reduced number of flower stems and a longer vegetative stage. The root [...] their wings. The eggs of Lyprauta sp. are greyish-black and spherical. Larvae of Lyprauta sp. are a transparent greyish white and have a long slender body

Black bean aphid

is widespread in temperate regions, where it is a serious economic pest of beans. It is highly polyphagous, and attacks a wide range of other crops. Damage [...] with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized [...] balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early enough in the season

Macrocheles robustulus

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 [...] Macrocheles robustulus is a species of predatory mite known for its role in biological pest control , particularly in agricultural and horticultural settings [...] detected in the crop. Introduction rates typically range from 100-500 per m2/release. Consult a Koppert advisor or a recognized distributor of Koppert products

Fusarium wilt

General Fusarium is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species [...] cycle, is similar to that of most Fusarium species. Fusarium overwinters for many years in the soil and on crop residues of infected plants as chlamydospores [...] plants Ensure there is adequate soil drainage Apply nitrogen in the form of nitrate instead of ammonium Prevent damage during harvest and during post-harvest

Broad mite

s latus) occurs in the tropics and in greenhouses in temperate regions. The broad mite (Polyphagotarsonemus latus) has a wide range of host plants, especially [...] The typical pattern of damage consists of malformation and distortion of the above-ground growth of the plant. The mites show a preference for young, [...] curl up. A typical indication of an attack of broad mite ( Polyphagotarsonemus latus ), is the appearance of dark brown edges at the base of young leaves