Instead, they are stuck fast to the nondrying sticky adhesive on the surface of the trap. Many female insects release an odor to signal their readiness for mating. These odors, or pheromones, can be reproduced in a laboratory. This material is then applied to a rubber cap or other device and the scent is released slowly over several weeks, attracting the insects to the collection device. Back to the top Benefits of insect trapping Insect traps can often indicate if a spray is economically justified.
Trapping helps indicate the best possible time to spray for maximum effectiveness.
Traps work 24 hours a day. Even if you scout for insects each day, you won't see nocturnal insects that may be damaging your plants. Traps often target adult stages of pests. These appear long before the caterpillars or grubs that feed on your plants. Trapping can help you correct certain problems before they cost you money.