Long horn beetles of the genus Xixuthrus - rarest and largest beetles

Genus Xixuthrus:

• X. arfakianus
• X. axis
• X. bufo
• X. costatus - Solomon Islands
• X. domingoensis
• X. ganglbaueri - Fiji
• X. granulipennis
• X. helleri - New Guinea
• X. heros - Fiji
• X. heyrovskyi
• X. lameerei - New Guinea
• X. microcerus - Indonesia
• X. terribilis - Fiji

Xixuthrus heros (male)

X. heros (female)

X. domingoensis

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X. costatus

X. ganglbaueri

X. heyrovskyi

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X. helleri

X. terribilis

Xixuthrus sp. (N. Guinea)

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X. heros (by F.Moehres, 1963)

X. microceros (photo by S.Ziarko)

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References:

• Giuseppe Marazzi, Valentino Marazzi, Ziro Komiya
  NEW XIXUTHRINA FROM INDO-AUSTRALIAN REGION
  (Coleoptera Cerambycidae Prioninae).
  Bologna 2006, br., cm 17x24, pp.47, 2 cartine di distribuzione, 6 tavole fotografiche a colori.
  Testo bilingue: italiano/inglese.

• P.Ryan et al.: "Observations on Giant Fiji Longhorn Beetle, Xixuthrus heros (Heer)"
  
• D.Yanega, D.Olson et al.: "The Xixuthrus species of Fiji (Coleoptera: Cerambycidae: Prioninae)"