What kind of animal is the Iolaus crawshayi

Iolaus crawshayi, the Crawshay's sapphire, is a butterfly in the family Lycaenidae. It is found in Ethiopia, Somalia, Kenya, Uganda, the Democratic Republic of the Congo and Tanzania.
The habitat consists of moist savanna.

The larvae feed on the young leaves of Erianthemum dregei and Phragmanthera usuiensis. They are dull dirty whitish green or brown.