フィジーオオウスバカミキリ
代表種のHerosの他、フィジー諸島に住む本種は、以下の亜種に分けられる。
Subgenus Xixuthrus Thomson, 1864
Xixuthrus arfakianus (Lansberge, 1884)
Xixuthrus costatus (Montrouzier, 1855)
Xixuthrus ganglbaueri Lameere, 1912
Xixuthrus granulipennis Komiya, 2000
Xixuthrus gressitti Marazzi, Marazzi & Komiya, 2006
Xixuthrus heros (Gräffe, 1868)
Xixuthrus lameerei Marazzi, Marazzi & Komiya, 2006
Xixuthrus lansbergei (Lameere, 1912)
Xixuthrus microcerus (White, 1853)
Xixuthrus solomonensis Marazzi & Marazzi, 2006
Xixuthrus terribilis Thomson, 1877 (syn. = X. heyrovskyi Tippmann, 1945)
Xixuthrus thomsoni Marazzi, Marazzi & Komiya, 2006
Subgenus Daemonarthra Lameere, 1903
Xixuthrus helleri (Lameere, 1903)