The present invention relates to a bait for capturing the insect M. galloprovincialis, which is characterized in that it comprises at least the M. galloprovincialis pheromone, 2-undecyloxy-1-ethanol, and at least two kairomones that attract said species, preferably to a bait that comprises 2-undecyloxy-1-ethanol, ipsenol, 2-methyl-3-butanol and α-pinene.