Last year, the efforts were made on 154 hectares.
The right time must be chosen for a good result.
The biological pesticide VectoBac G is only effective for 24 hours, and may be used a maximum of once during a fourteen-day period.
Should be used early
In addition, it should be used in the early larval stages to get good results - older larvae are much more difficult to treat.
- The weather conditions caused flooding in two rounds, which meant that two hatches of flood larvae ended up within 14 days.
We had to choose which of them would be fought, and it was the later hatching, says Jan O. Lundström.
In the clip, you can hear Jan O. Lundström talk about how the mosquito situation in Forshaga municipality is expected to be this summer.