What is the nickname of the Hawaiian island that houses the Hyposmocoma chilonella moth and the state capital, Honolulu?
Hyposmocoma chilonella:  It is endemic to Kauai, Oahu, Maui, Molokai and Hawaii. Oahu: Oahu (] ) or O'ahu , known as "The Gathering Place", is the third largest of the Hawaiian Islands.
"The Gathering Place"