Answer:
Males use a protein to detect pheromones sent by females.
Protein work as a chemical signal for the mating.
Step-by-step explanation:
Pheromones are secreted by the individual of the similar species and they provide signals for communication by releasing a protein substance, they are like alarm substances.
This protein helps to guide females and males so that reproduction can occur.
Females beetles released sex pheromones into the environment, which give a signal of their mating availability.
Then these pheromones are detected by receptors present on the male beetles, and in this way, they find the females for mating .