Some moth species have a very short window of time for mating each year. One year the moths were breeding during a week when it was breezy and their reproductive success was very low. What is the likely cause of this low success rate

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.