Their larvae hibernate in damp conditions around watercourses, lakes, ponds or marshy ground. The adults emerge from April onwards, presenting a constant problem to nearby horses, cattle and people.

The H-trap has been cleverly designed to take advantage of the horseflies natural behaviour, with independent tests showing a 90- 95% reduction in populations.

Het bericht a. H-trap. The complete package verscheen eerst op The professional horsefly control system.