A machine for destroying harmful insects comprising at least an insect attracting means(2) for attracting insects, at least a suction means(3) for drawing insects into it by suction and at least a collection means(4) for collecting the insect(s) destroyed and forced into it by the suction means(3), the suction means(3), the insect attracting means(2) and the collection means(4) all being located in a single unit(l).