). These cornicles are always black, whatever the body colour, which can vary widely, from light yellow to light green, or even a green-black colour .
and thick, yellow, lateral longitudinal stripe. The full-grown caterpillar varies in colour from green or brown to black. In younger instars, the relatively
in the axils of leaf veins to rest. Their colour can vary according to the prey eaten, and varies from almost lucent whitish to opaque white or yellow
work in conjunction with both Aphipar and Ervipar and allow for control in varying crops and climates. Monitor Your Crop! For biological pest control to succeed [...] Here To Help Beneficial insects are susceptible to chemical treatments and varying environmental and biological conditions. Contact your local Koppert consultant
The adult spider mite, i.e., a mite in its fifth stage of development, can vary in color quite considerably. Adult females are half a millimeter in size
move only when disturbed or over-crowded. Development from egg to adult varied from 14 days at 28°C/82.4°F to 49 days at 15°C/59°F. New adults reach r
of Grape downy mildew Symptoms of grape downy mildew (Plasmopara viticola) vary according to the crop’s growth stage, environmental conditions, and infection
the small black door under the lid Pollination performance and duration varies per crop and depends on environmental conditions. Always consult a Koppert
differ between crops. On the diseased areas, sclerotia can be seen, but they vary in size and colour and are therefore not a good feature to determine the
takes about 40 days. At 30 °C/86°F, it takes just nine to eleven days (it varies a bit depending on the species of thrips). And under optimum conditions