The age of the moth species Stigmella heteromelis was determined from the age of fossils of organisms in which they are in an ecological relationship with.
Fossils are remains of dead plants and animals that have been preserved from the past.
Fossils are used to determine the time of appearance of species.
Based on ecological relationship between the fossils of organisms that are in an ecological relationship with the moth species, the time when the moth species was alive can be determined.
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