Micropterix facetella is a species of moth belonging to the family Micropterigidae, which was described by Zeller in 1851.

Micropterix facetella has a 4 male facetalla to 1 female facetalla ratio and during the mating season female facetella are said to visit a flower, only to eat, and the male facetella are there for the purpose to mate.

For the common ratio, the male facetella goes to a near by location that another male facetella was already there as a pursuit of competition.

A competition on who will get the female first, which is why there is 4 males facetalla for every 1 female facetella.

This article on a moth of the family Micropterigidae is a stub.