• Beneficial nematodes

  What are nematodes? Nematodes, commonly referred to as roundworms, are a diverse group of worms belonging to the phylum Nematoda. Nematodes are characterized [...] beneficial nematodes, are a group of parasitic nematodes that have a unique relationship with insects. These nematodes are natural predators of various insects [...] within a few days. The host becomes immobile and eventually dies due to the bacterial infection. Feeding and reproduction: The nematodes feed on the multiplying

• Beetles

  more about What are beetles? Beetles belong to the order Coleoptera, a well-known group of insects that are easily recognizable on account of their hard [...] species, Coleoptera is the largest of all insect orders and displays an enormous variety of form, size and habit. A number of species are a serious pest in crops [...] mostly feed on the same food as the adults. The pupae do not make a cocoon and will already display many similarities with the adults. The adult beetles

• Rhyzobug FAQ

  larvae of Rhyzobug and carry them to their nest. This will decrease the effectiveness of the product. I see a couple of adults not moving, are those dead [...] irregular holes in scale cover. What is the life cycle of Rhyzobius lophanthae? Eggs are laid underneath scales in groups of 1-5 eggs. After hatching, R. [...] Pupae What is the fecundity of Rhyzobius lophanthae? On average, females can lay around 600 eggs during their lifespan (at 25ºC). What are the optimal

• Sustainability report 2023

  everything we do. Although we are not yet required to comply with the Corporate Sustainability Reporting Directive (CSRD), we are taking a proactive approach to [...] us to look beyond what we do and consider how we do it.'' - Rene Koppert, CEO Message from the CEO As we navigate the complexities of modern business, one [...] is not just a choice; it is a necessity for success. In 2023, we embarked on a transformative journey that challenges us to look beyond what we do and consider

• Tomato russet mite

  parts: the head with the mouthparts, and the rest of the body. All mobile stages have only two pairs of legs, whereas other mite groups have four pairs [...] Damage is caused by the mites sucking out the contents of plant cells. Affected leaves are slightly curled and acquire a silvery sheen on the underside. Later [...] out quickly. The damage is first seen on the lower part of the plant and moves upwards as the mites ascend. Life cycle and appearance of tomato russet

• Aphids

  aphids What are aphids? Aphids form a single, very large group of insects: the super- family Aphidoidea, belonging to the order Hemiptera . The aphids [...] large part of the season an aphid population consists of viviparous females. As reproduction is asexual, the progeny of a single female is genetically identical [...] on the species, aphids can inflict various types of damage to a crop: Nymphs and adults extract nutrients from the plant and disturb the balance of growth

• Knowing & recognizing

  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 [...] photographs, and dozens of illustrations of the most prevalent pests, diseases and their natural enemies. This book provides the reader with the necessary information [...] characteristics. Shop now Koppert - A knowledge company The use of biological control is not a simple process, it has become a complex system in which many aspects

• Tobacco aphid

  although they are also capable of dispersing through the crop by walking. The tobacco aphid tends to form denser colonies, closer to the top of the plant, than [...] from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation [...] General The tobacco aphid ( Myzus persicae subsp. nicotianae ) probably evolved from the peach potato aphid in the Far East and is a key pest of tobacco

• Better insights and digital advice with Natutec Scout

  advantage of the Koppert app is the ability of the consultant to check up on things remotely – for Lema Tomaten, that’s the job of Koppert employee Floris [...] provides a visual indication on the map itself to show how the level of infestation is evolving. Different levels of indication are available – on a location [...] soon as the level of infestation exceeds the threshold, it’s a signal to the grower that he needs to take action. This is how Barry Enthoven of Lema Tomaten

• Aphidius colemani

  they are at low density. The behaviour of the female during egg-laying is typical of the Aphidiidae. First the host is examined by drumming with the antennae [...] 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 [...] and form of the mummy do not, however, provide a reliable key to the species of wasp within: many braconid wasps that parasitize aphids produce a mummy similar