Inflating the ball need to be done with the handpump added in the package. The max pressure for the ball is 0.1 Bar. DON’T USE A COMPRESSOR to inflate.

Pending on temperature the horse flies will come out of the ground from Early spring (European situation: from April onwards) The female horse flies will than immediately start looking for blood, this to fertilize the next batch of eggs. It is important that we have the H-trap in position before this starts happening. This way we […]

When the H-trap is used to control horse flies nearby horses we recommend to place one H-trap with a maximum of 5 horses. Horse flies cannot see the difference between the H-trap and a horse. With a maximum of 5 horses we still have multiple chances a week to get the horse flies in the […]

Try to identify those places were horse flies in rest are located and place the H-trap in an interception course between there place in rest and your horses. Always place the H-trap in the open area, ideally in direct sun and away from shadow areas. This way the black ball gets warmer and will emit […]

The H-trap will have no effect indoors. We will need the sun, to create a temperature difference between the surroundings and the black ball – funnel combination. Indoors the black ball will not be heated up and no temperature difference will be created under the funnel. Because of this horse flies will not be able […]

At the end of the season, typically late autumn, the horse flies will start to extinct. Cold temperatures and age are the cause of this. By that time the H-trap can be broken down. We recommend to clean it and store it indoors.

The H-trap needs to be installed at close vicinity to horses. Horse flies see the infrared signature coming from horses from a big distance. If a choice has to be made by them, they will prefer to travel to a large group of potential victims (the horses), rather than going to one isolated victim (the […]