What primary benefit does the thick layer of fine, hair-like scales provide to the moth's body?

Answer

Insulation for cooler temperatures

This dense coat of scales provides insulation, which is particularly beneficial for species that are active during cooler nighttime temperatures or in colder climates.

What primary benefit does the thick layer of fine, hair-like scales provide to the moth's body?
insectmothanatomycharacteristicphysical