May beetle

very similar in terms of their external appearance. In short, the adults have a reddish-brown colour and grow to approximately 10 to 25 cm in size, depending [...] aggressive. In early spring they either start feeding again or when the larvae are fully grown a kind of earthern cell is created in the ground in which they [...] roots, resulting in visible water stress and ultimately ending in the death of the plant. From the third stage onwards, the impact of this pest increases

Pea leaf miner

plants of fruiting vegetable crops, however, a considerable quantity of foliage can get damaged before the harvest is affected. The size of a leaf tunnel [...] cosmetic damage. In tropical and subtropical areas this can lead to burning in fruit such as tomato and melon. Loss of leaves also reduces yield. In full-grown [...] tunnel depends on the stage of development of the leaf, the species of host plant and the species of leaf miner. The older larvae make wider tunnels. Feeding

Wheat bunt

kernels, which in turn become a source of disease in the next season. Infection is strongly correlated to temperature and precipitation in the first 11 days [...] appearance of Wheat bunt Tilletia tritici and Tilletia laevis survive as teliospores in the soil or on seed. These teliospores germinate in response to [...] 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

Greenhouse whitefly

solutions for whitefly in your crop Damage symptoms The larvae of whitefly need a lot of protein for growth, and thus consume a large quantity of plant sap. This [...] 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 [...] development of fruit and lead to a reduction in yield. The honeydew deposited on fruit makes it sticky. Dirt adheres to the fruit, and the growth of sooty moulds

Potato aphid

specifically characteristic of the potato aphid and is particularly visible in the nymphs. Immatures have a light dusting of whitish-grey wax. The aphids [...] euphorbiae ) is of North American origin, but is these days distributed throughout the world. It is a highly polyphagous species with a preference for [...] 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

Tobacco aphid

and appearance of Tobacco aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. When re [...] ) probably evolved from the peach potato aphid in the Far East and is a key pest of tobacco crops in both the United States and South America. The tobacco [...] tobacco aphid ( Myzus persicae subsp. nicotianae ) is also encountered in a range of crops in greenhouses, such as sweet pepper, aubergine, chrysanthemum, and

Effective control with Chrysopa-E!

types of aphids, mealybugs and Echinothrips, so this is a natural enemy with a big menu in that respect. Chrysopa-E is suitable for a wide range of crops [...] 000 larvae, the eggs are delivered in a 90 ml canister containing 100,000 eggs, so there is a huge gain in terms of transport volume and the supply chain [...] has resulted in a new product marketed under the name, Chrysopa-E , which uses the egg stage of the lacewing, Chrysoperla carnea , instead of the larval

Bugs

Hemiptera Bugs What are bugs? Heteropteran bugs form a group in the order Hemiptera , a highly diverse group of insects, containing both harmful and beneficial [...] overlap, in the dorsal midline. Some bugs produce a pungent odour. Heteropteran bugs are hemimetabolous insects. Their life cycle consists of an egg, usually [...] Several species of especially the families Miridae and Pentatomidae are found as pests in agricultural crops. Find solutions for bugs in your crop Bug damage

Green peach aphid

and appearance of green peach aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. When [...] native, however it is now a pest with a world-wide distribution. The green peach aphid ( Myzus persicae subsp. persicae ) is a particularly polyphagous [...] 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

Adalia bipunctata

two-spot ladybird or the two-spotted ladybug, is a species of a predatory beetle. As a natural enemy of aphids , Adalia bipunctata contributes to natural [...] yellowish orange in color. They are typically laid in clusters on the undersides of leaves near prey concentrations. Larval stage: The larvae of Adalia bipunctata [...] various stages of their life cycle, helping to control aphid populations and prevent crop damage. Adalia bipunctat a is often employed in integrated pest