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The pheromone traps they are a system allowed in organic farming for the capture and monitoring of moths harmful to plants. They can be used to capture a few specimens of insects in order to have a clear picture of the existing threats, or for the massive capture of male specimens with the aim of decreasing the chances of mating and reproduction.
The pheromone traps they are usually a 'sexual trap' in which the 'sexual attractant' pheromone produced by females during the mating period is used to attract males who are then trapped. These sexual attractants produced by the exocrine glands of females have the characteristic of leaving an odorous trail in the air that males feel even at a distance of 2-3 kilometers with their antennae, so they work at a wide range.
Attractants used for pheromone traps they are chemically synthesized, which has been possible for some time thanks to the progress of studies and discoveries in the head of the biological control of insects, and are enclosed in capsules which are themselves inserted in adhesive traps to be hung on trees.
In the orchard and garden, the pheromone traps for pest control they should be placed on tree branches at the end of flowering. In fact, this period coincides with that of the greatest sexual activity by insects and therefore is the moment of maximum effectiveness. You can buy them in many specialized shops or pharmacies.
The pheromone traps they can also be useful in the home, for example for the control of food moths that infest kitchens. They don't cost much and are a very environmentally friendly way to get rid of insects from the kitchen. You can buy them on Amazon: Pheromone trap for food moths
There are also entomological traps that exploit systems other than the chemical substances emitted by organisms and which are therefore not pheromone traps. The references can be colors or light since pheromones in insects regulate the exchange of numerous information, not only sexual, related to the performance of vital functions such as the search for food and defense from enemies.
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