Japanese beetle

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 [...] oval beetle, 8-11 mm long, and about 5-7 mm wide. Females are usually slightly bigger than males. The head and body are dark, metallic green, with darker [...] on plant roots at 2.5 to 5.0 cm depth. Pupation usually occurs after 4-6 weeks of feeding, and the adults emerge from mid-May to mid-July, depending on

Ervipar

through a hole at the rear of the mummy. The first mummies are noticed in the crop around 10-14 days after the first introduction. Visual effect Parasitized [...] Make sure the material remains dry and is not moved from its introduction site for at least a few days Dosage The dosage of Ervipar depends on climate, crop [...] adjusted to the particular situation. Start introduction preventively soon after planting of the crop. Introduction rates typically range from 0.25-2 per

Spidex Vital: Your Vital partner in spider mite control

can start laying eggs after release and don’t needs to get energy from spider mite from the field to develop the eggs. This will increase the population [...] more than 50 years ago. From day one this predatory mite formed the foundation of our spider mite control. Over time it grew to be one of the most important [...] Vital: Your Vital partner in spider mite control Born to fight Spidex Vital predatory mites are born to fight your spider mites . It gives you the best control

Crazy roots, hairy roots, crown gall

infection is from the propagation material. Infection also takes place via wounds. After infection, galls are formed which break open, releasing many bacteria [...] These are dispersed by rain and wind and by humans and tools. Until now, no bacteria have been isolated from crazy roots. This disease seems to be caused [...] growth occurs. Solution Finder Find solutions for your crop Damage symptoms How to prevent Crazy roots, hairy roots, crown gall Use clean propagation material

Optimal placement of bumblebee hives

orientation. To avoid overheating, ensure that the hives are not positioned too close to heat-generating lamps. Additionally, provide protection from direct [...] can be taken to increase the productivity of bumblebees: To ensure successful communication between bumblebees and humans, it is crucial to position the [...] grouped together. Protection of the hive To maintain hive efficiency, it is crucial to shield the hives from adverse weather conditions, such as condensation

Chrysopa

out, shrivelled skins are difficult to find. Chrysoperla carnea is active mainly during the night. The larvae hide during the day. Pack size 1,000; 10,000 [...] adjusted to the particular situation. Start introduction as soon as the first pests are detected in the crop. Introduction rates typically range from 2-20 [...] including low temperatures (average > 12°C/54°F). It is most effective at 20-28°C (68-82°F). Combined use Can be used in combination with other aphid

Spotted Wing Drosophila

oviposition, the respiration tubes extend from the fruit but are difficult to see. Larval feeding in the fruit leads to fruit tissue collapse. Even if the fruits [...] drosophila are small, 2-3 mm in lengthg, and have a wingspan of 6-8 mm. Males are smaller than females. They can be easily distinguished from males of other [...] the third instar the larvae are about 3.9 mm long. The pupae of Drosophila suzukii are tan-brown and 3 mm long. Contrary to other Drosophila species , D

FAQ Nematodes

values up to 5 are safe for nematodes. With which pesticides/fungicides can I mix a nematode product? Nematodes are quite insensitive to many types of [...] What are nematodes? Nematodes are microscopically small (0.6 to 1 mm), unsegmented worms that occur naturally in the soil throughout the world. Are there [...] matter to provide a rich soil life. How do entomopathogenic nematodes work? Nematodes are actively looking for a host or using an ambush strategy to reach

Cutworms

circular position. Pupa are brown to dark brown and 17-25 mm long. Females are capable of laying several hundred eggs. There are six to seven larval stages [...] plant parts close to the ground, thereby often cutting the stems of young plants. This is where their common name comes from. Cutworms are vey polyphagous [...] hairs. The eggs are white at first but rapidly turn darker. They are laid separately or in batches on the ground, or on the plant close to ground level.

Early blight

rapidly as two to three days later and sporulation within five days. Infection is both direct and through wounds and stomata. Spores are dispersed by wind [...] spread to the flowers (especially dangerous in crops for seed production) and to the crown. Sporulation of Alternaria occurs at temperatures from 2-4 °C [...] concentric rings that are caused by sporulation. Species may differ in specific symptoms. Life cycle and appearance of Early blight From the primary infection