Hofman Dew Trap Loer reservoir loose
Horsefly trap Loer reservoir loose as a replacement.
Hofman Dazenval Loer reservoir loose as a replacement.
How does the horsefly trap work ?:
The horsefly trap catches horseflies by misleading the ladyflies. The black ball is heated by the sun and moves slightly back and forth through the wind.
The horse fly is attracted by the moving heat source, lands on the ball, stabs and flies up (to the light).
She then ends up in the collection reservoir via the trap.