• Japanese beetle

  and drop. The adults are gregarious, usually beginning to feed on foliage at the top of a plant and working downwards. The larvae are most abundant in well-kept [...] developing embryo can be seen within the eggs that are close to hatching. Popillia japonica larvae are typical scarabaeid grubs. The head is yellowish-brown [...] C-shaped position in the soil. Newly-hatched grubs are about 1.5 mm long and translucent white. There are three instars. First and second instars reach a

• Buckthorn-potato aphid

  wingless and winged forms are produced parthenogenetically. They are usually found in the lower parts of the plants and are not very mobile. In autumn [...] females of the buckthorn- potato aphid are 1.1-2.4 mm long and bright pale green to yellowish green. The antenna are relatively short and barely exceed half [...] autumn, winged males and females are produced, which return to the primary host buckthorn where they lay eggs for overwintering.

• Hemp russet mite

  nymphal stages are sometimes also called larva (1st stage) and nymph (2nd stage). The eggs are approximately 0.05 mm in diameter and adults are around 0.2 [...] russet mite All life stages of the hemp russet mite are extremely small and difficult to observe. They are elongated (torpedo-shaped), soft and segmented. [...] stems and petioles of the hemp plant and can cause stunting. When populations are large, the mites can also be found on the underside of leaves. This results

• European vine moth

  markings. The hindwings of the female are dark brownish grey and the hindwings of the male are whitish grey. The eggs are 0.7 x 0.6 mm and yellowish when laid [...] larvae are up to 11 mm long; body greyish green or yellowish green to brown and often translucent. Their head is yellowish brown. The pupae are 5-7 mm [...] yellowish brown to dark brown. Adults appear in late April or early May. The eggs are laid mainly on flower buds and hatch in about a week. The larvae then attack

• Beetles

  control Learn more about What are beetles? Beetles belong to the order Coleoptera, a well-known group of insects that are easily recognizable on account [...] variety of form, size and habit. A number of species are a serious pest in crops or stored products. There are many useful beetles as well. For instance, ladybirds [...] possess a pair of membranous wings beneath the wing covers. Many species are very capable fliers but others cannot fly at all. Beetle damage Both larvae

• Soil-borne diseases in row crops: A growing threat to crop health and yield

  March 10, 2025

  Soil-borne diseases are a significant challenge for row crops, impacting plant health and productivity. These diseases, caused by harmful fungal pathogens [...] soil-borne diseases Biological soil fungicides based on beneficial microorganisms are strong tools to control soil-borne diseases and promote plant growth at the [...] is based on the well-studied, powerful strain Trichoderma harzianum T22. How Triario works In the soil, Triario actively competes with harmful pathogens

• Anagyrus vladimiri

  Koppert as Citripar . Anagyrus vladimiri products Citripar Expand all items How to use Anagyrus vladimiri The parasitic wasp Anagyrus vladimir is available [...] females produce male offspring only. The preferred hosts for the parasitic wasp are third instar mealybug nymphs, but females will also readily attack second

• Southern green stink bug

  whereas younger instars are less significant. Life cycle and appearance Nezara viridula goes through five nymphal instars. Eggs are laid in clusters of 30 [...] plants. The eggs are glued firmly to each other and to the substrate and the egg package usually has a hexagonal shape. Newly laid eggs are about 1 mm in [...] median line. The adults are large shield-shaped bugs with a dull green colour (becoming brownish at cooler temperatures). They are about 13 mm in length

• Koppert advances digital innovation with smarter, context-aware Digital Assistant

  April 7, 2025

  addition to side effect related questions, growers can now ask questions like ‘How many units of product Y did I apply per m² in location Z?’ or ‘‘What’s the [...] always been rooted in expert consultation. With the Digital Assistant, we are scaling that expertise in a way that supports both our consultants and our

• Koppert to introduce digital assistant in 2024

  December 19, 2023

  our conversations with growers, we are able to provide the right solution for their crop protection challenges. We are embracing digital technologies to [...] conversation, simply explain what you are looking for – like a solution for a specific pest or instructions on how to use our products – and get an answer [...] growers. Van der Kruijk: 'We are bringing our demo to trade shows throughout 2024 to solicit feedback from the public, and we are conducting validation testing