Question: What is the nickname of the Hawaiian island that houses the Hyposmocoma chilonella moth and the state capital, Honolulu?

Context articles: Hyposmocoma swezeyi
Bumpei Akaji
Kawaiahaʻo Church
Hyposmocoma bacillella
Oahu
Hyposmocoma hygroscopa
Thyrocopa sapindiella
Hyposmocoma chilonella
Caloptilia mabaella
Northwestern Hawaiian Islands

Hyposmocoma swezeyi is a species of moth of the Cosmopterigidae family.
 It is endemic to the Hawaiian island of Oahu.
 The type locality is Kaimuki, Honolulu.
Bumpei Akaji (1921 – 2002) was an American sculptor.
 He was born in Lawai, on the Hawaiian island of Kauai in 1921.
 In 1943 he joined the United States Army and was sent to Italy with the 100th Battalion of the 442nd Regimental Combat Team.
 He was inspired by the artwork in Florence and received a discharge in Italy.
 He studied at the Academy of Fine Arts in Florence and at the Academia de Belle Arti, Brera, in Milan on a Fulbright Scholarship.
 In 1950, he returned to Honolulu and in 1951 was among the first to received a Master of Fine Arts in sculpture from the University of Hawaii at Manoa.
 Along with Satoru Abe, Edmund Chung, Tetsuo Ochikubo, Jerry T. Okimoto, James Park, and Tadashi Sato, Bumpei Akaji was a member of the Metcalf Chateau, a group of seven Asian-American artists with ties to Honolulu.
Kawaiahaʻ o Church is a historic Congregational church located in Downtown Honolulu on the Hawaiian Island of Oʻ ahu.
 The church, along with the Mission Houses, comprise the Hawaiian Mission Houses Historic Site, which was designated a U.S. National Historic Landmark (NHL) in 1962.
 In 1966 it and all other NHLs were included in the first issuance of the National Register of Historic Places.
Hyposmocoma bacillella is a species of moth of the family Cosmopterigidae.
 It is endemic to the Hawaiian island of Kauai.
 The type localities are Halemanu and Kaholuamano, where it was collected on an altitude of 4000 ft .
Oahu (] ) or O'ahu , known as "The Gathering Place", is the third largest of the Hawaiian Islands.
 It is home to about two-thirds of the population of the U.S. state of Hawaii.
 The state capital, Honolulu, is on Oahu's southeast coast.
 Including small associated islands such as Ford Island and the islands in Kāneohe Bay and off the eastern (windward) coast, its area is 596.7 sqmi , making it the 20th largest island in the United States.
 including the rest of the Hawaiian Islands.
Hyposmocoma hygroscopa is a species of moth of the family Cosmopterigidae.
 It is endemic to the Hawaiian island of Kauai.
 The type locality is Halemanu.
The Oahu aulu thyrocopa moth (Thyrocopa sapindiella) is a moth of the Xyloryctidae family.
 It is endemic to the Hawaiian island of Oahu.
 It is possibly extinct.
Hyposmocoma chilonella is a species of moth of the family Cosmopterigidae.
 It is endemic to Kauai, Oahu, Maui, Molokai and Hawaii.
The Hawaiian ebony leaf miner (Caloptilia mabaella) is a moth of the Gracillariidae family.
 It is only known from the Hawaiian island of Oahu in the United States.
The Northwestern Hawaiian Islands or the Leeward Islands are the small islands and atolls in the Hawaiian island chain located northwest (in some cases, far to the northwest) of the islands of Kauai and Niihau.
 Politically, they are all part of Honolulu County in the U.S. state of Hawaii, except Midway Atoll, which is grouped as one of the United States Minor Outlying Islands.
 The United States Census Bureau defines this area, except Midway, as Census Tract 114.98 of Honolulu County.
 Its total land area is 3.1075 sqmi .
 All the islands except Nihoa are north of the Tropic of Cancer, making them the only islands in Hawaii that lie outside the tropics.