Greenhouse whitefly

are found on the underside of young leaves and have an oval shape. The first instar larvae (crawlers) are mobile, whereas the rest of the larvae stadia remain [...] found on the oldest leaves. The adult emerges from the pupa via a T-shaped fissure. The adult whiteflies can usually be found in the top of the plant and [...] General The greenhouse whitefly ( Trialeurodes vaporariorum ) is one of the major pests of vegetable and ornamental crops in greenhouses throughout the world

Tobacco whitefly

adult. The larvae are found on the underside of young leaves and have an oval shape. The first instar larvae (crawlers) are mobile, whereas the rest of the [...] peppers, yellowing of the flower stalks in gerbera, and serious yellowing of the leaves of French beans. Other symptoms include the appearance of chlorotic patches [...] together. When shaking infested plants, adults will first fly, then return to the underside of the leaves. The adult tobacco whitefly ( Bemisia tabaci ) has

Crop scouting

Benefits of crop scouting One of the key benefits of crop scouting is its ability to enable early detection and targeted intervention. By identifying problems [...] can implement timely and precise solutions, minimizing the risk of yield losses and reducing the need for excessive pesticide or fertilizer use. This not [...] informed decisions based on real-time field data. By understanding the specific needs of their crops, growers can tailor their management practices, including

Diglyphus isaea

particularly the serpentine leafminer ( Liriomyza trifolii ). The female wasp deposits her eggs inside the larvae of the leafminer, where the emerging larvae [...] usually pupates in the mine some distance from the dead host. Pupal stage: The pupa lies between the upper and lower epidermis of the leaf which are held apart [...] Adult stage: The appearance of the adult is already clearly visible. Pupae are often visible through the leaf. The parasitic wasp escapes from the mine by making

Knowing & recognizing

photographs, and dozens of illustrations of the most prevalent pests, diseases and their natural enemies. This book provides the reader with the necessary information [...] giving you the ability to recognize the pest or disease you are up against by means of detailed illustrations and close-up photographs. The knowledge gained [...] gained will equip you to find the best sustainable solutions. First published 25 years ago and revised in 2003, the latest edition comprises 443 pages

Anagyrus vladimiri

Behaviour of the parasitic wasp Anagyrus vladimiri The female Anagyrus vladimiri lays its eggs inside the body of the mealybug. Upon hatching, the larvae [...] ovipositor between the wax filaments on the lateral margins of the host. Oviposition generally lasts about 15-40 seconds. The larva of the parasitic wasp [...] leading to the death of the host. Anagyrus vladimiri also engages in host feeding, where the adult female wasp feeds on the body fluids of its mealybug

Nothing beats original

. Choosing the right predatory mite solution to control a pest infestation is contingent upon various factors such as the type of crop, the specific pest [...] stories Dive into the rich history and innovative spirit behind Koppert’s predatory mite solutions. Since 1967, we have been at the top of our game helping [...] with our unmatched portfolio of predatory mites . Uncover the untold stories behind this track record and gain insights into the passion and dedication that

Aphidius colemani

the Aphidiidae. First the host is examined by drumming with the antennae. This gives the wasp the information about whether the aphid is the right species [...] disturbance of the aphid population by the presence of the parasitic wasp also has an effect: the alarmed aphids secrete a warning substance, which affects the [...] Aphidius colemani is widely used in the biological control of aphids . Aphidius colemani is used for the control of the following pests: Cotton aphid ( Aphis

Neoseiulus cucumeris

is used for the control of the following pests: Thrips Neoseiulus cucumeris mites actively seek out and prey on the first instar larvae of various thrips [...] instance in sweet pepper crops as the predatory mite can establish itself in the crop before the pest appears. The success of predatory mites in controlling [...] lays about two eggs per day. Life cycle of Neoseiulus cucumeris The life cycle of Neoseiulus cucumeris consists of the following stages: egg, larva, protonymph

Codling moth

invading the fruit, the larvae first form a small cavity just under the skin. The entry hole can be seen and is usually plugged by dry frass. The larva then [...] days. The first instar larvae burrow into the fruitlets, often through the calyx. Larger fruits are usually entered through the side or near the stalk [...] burrows towards the core and eats a large proportion of the flesh, leaving behind brown frass. The entry point is then greatly enlarged as the tissue beneath