Answer:
Presence of wind
Explanation:
It should be understood that the moth is an example of group of insect which is small and sometimes can easily be moved by wind the considered to be okay.
In this case, this breeze or wind can actually or definitely affect the reproduction rate of the month. This is because, the moth can be swept away by the wind and thereby preventing them from mating.
It could also blow away the semen of of the male when releasing during copulation.