Some of the species of moths and insects show evidence of having been indigenous to the area from as long ago as the Alpine orogeny. In Emosson in Valais, Switzerland, dinosaur tracks were found in the 1970s, dating probably from the Triassic Period.
Some species of moths and insects show evidence of what? How long ago does the evidence show moths and insects to have been indigenous? Where is Emosson located? When were dinosaur tracks found in Emosson?