after planting of the crop. Introduction rates typically range from 1-10 per m 2 /release. Releases should be repeated at least 3 times at weekly…
they are readily carried by the wind and as such can disperse 400 to 500 km per night. Damage symptoms The caterpillar is a surface feeder. They feed…
bumblebee hive once the number of bite marks has dropped to just one or two per flower. Pollen is released best at a relative humidity (RH) of between…
margin and is marked by a chlorotic band. In the beginning, only a few leaves per branch are showing symptoms, but later the growth stops and the…
services immediately. A combination of factors The level of sensitivity differs per person. Allergy problems can occur within just a few weeks of the…
the injected venom develops. The response to a bumblebee sting can differ per incident. The stinger of a bumblebee or a wasp has no barbs. This means…
travel up to ten kilometres away from its hive and collect and transport sixty per cent of its own bodyweight in pollen. And bumblebees don't let a…
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