• Common cockchafer

  does most of its damage in the larval stage, when it feeds on roots of grasses and clover. The adults feed on the leaves of trees, mainly on oak, maple [...] appearance of Common cockchafer The life cycle of the common cockchafer ( Melolontha melolontha ) has the following stages: egg, three larval instars, a pupal [...] Melolontha melolontha) , also known as the doodlebug or May bug is a European beetle of the genus Melolontha, in the family Scarabaeidae. Damage symptoms

• Mycotal - Effective at lower temperatures

  will start to build up a population as soon as the conditions are favourable. This can become a serious threat to you crop in a later stage. Therefore [...] also be a powerful weapon against whiteflies and thrips in colder conditions. • Mycotal: active, growing and effective from 8 °C • The only effective ento [...] colder periods of the year How fast do viable spores germinate Germination of viable spores (%) into colonies? 100 Germination rate of Mycotal and other

• Greenhouse crop pollination

  cultivation of crops and supporting a more stable and sustainable agricultural industry. For the past 40 years we have been at the forefront of developing [...] industry. With decades of experience and extensive research, we have gained in-depth knowledge of pollinators and their behavior. Our team of experts is dedicated [...] pollination is vital because it ensures the efficient fertilization of plants within a controlled environment, leading to increased crop yields, improved

• Koppert To Showcase Digital Assistant Prototype At Fruit Logistica 2024

  February 2, 2024

  forefront of the IPM industry, accumulating a wealth of knowledge and insights. Now, we're channeling this rich knowledge base into the development of a digital [...] bottom of this article. Provide your input The Koppert Digital Assistant This innovative tool provides growers with 24/7 access to a wealth of knowledge [...] both our consultants and our customers. We want to take you with us on this journey of discovery, and therefore this digital tool will be set to make its

• Black vine weevil

  within the stems of the plants. Both adult beetles and larvae are polyphagous and feed on a large number of plant species. High populations of larvae can destroy [...] Life cycle and appearance of Black vine weevil The life cycle of the black vine weevil consists of an egg, 6 or 7 larval instars, a pupal instar and the adult [...] laid from the beginning of July until around the end of October. The larvae that hatch have a white, translucent to pinkish body and a reddish brown head.

• Common asparagus beetle

  asparagi ) is a major, host-specific pest of asparagus in most asparagus producing regions of the world. Damage symptoms Both adults and larvae feed on the leaves [...] leaves of asparagus. As the larvae feed, they secrete a blackish fluid, consisting of faecal material, which may contaminate the plant. Life cycle and appearance [...] appearance of Common asparagus beetle The life cycle of the asparagus beetle has the following stages: egg, 4 larval instars, a pupal instar and the adult

• Rose aphid

  Life cycle and appearance of Rose aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In [...] General The rose aphid, Macrosiphum rosae , is a serious and often abundant pest of roses. It is virtually cosmopolitan and widely spread in Europe. Damage [...] aphids retard the growth of buds and new shoots. Foliage and flowers are often disfigured and contaminated with sticky honeydew on which black sooty moulds

• Potato aphid

  Life cycle and appearance of Potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. [...] euphorbiae ) is of North American origin, but is these days distributed throughout the world. It is a highly polyphagous species with a preference for [...] specifically characteristic of the potato aphid and is particularly visible in the nymphs. Immatures have a light dusting of whitish-grey wax. The aphids

• Chafers

  chafers are beetles of the Scarabaeidae family. The larvae of both species live in the soil and feed on the roots of many plants. They are a serious pest that [...] harmful. Damage symptoms Larval feeding on the roots can lead to yellowing and wilting of plants. Damage can be severe on young plants and especially in grassland [...] about four weeks and the larvae start to feed on roots. The larvae are white-coloured, C-shaped grubs, with a yellow-brown head, and up to 30 mm long when

• Circular scale

  or black spots with paler margins, on both surfaces of shaded leaves of the host plant. Life cycle and appearance of Circular scale Female nymphs and adults [...] countries of its range, it occurs in greenhouses. In addition to citrus, it occurs on many other plants. Damage symptoms Chrysomphalus aonidum has a preference [...] lus aonidum is a tropical species, native to the Oriental region but it has been dispersed widely in tropical and subtropical parts of the world, mostly