''Xixuthrus'' is a small genus of

long-horned beetle The longhorn beetles (Cerambycidae), also known as long-horned or longicorns (whose larvae are often referred to as roundheaded borers), are a large family of beetles, with over 35,000 species described. Most species are characterized by anten ...

s, found primarily on

Pacific The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is bounded by the cont ...

islands, including

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...

New Guinea New Guinea (; Hiri Motu: ''Niu Gini''; , fossilized , also known as Papua or historically ) is the List of islands by area, world's second-largest island, with an area of . Located in Melanesia in the southwestern Pacific Ocean, the island is ...

, the

Solomon Islands Solomon Islands, also known simply as the Solomons,John Prados, ''Islands of Destiny'', Dutton Caliber, 2012, p,20 and passim is an island country consisting of six major islands and over 1000 smaller islands in Melanesia, part of Oceania, t ...

, and

Fiji Fiji, officially the Republic of Fiji, is an island country in Melanesia, part of Oceania in the South Pacific Ocean. It lies about north-northeast of New Zealand. Fiji consists of an archipelago of more than 330 islands—of which about ...

, and contains some of the largest living insect species, the giant Fijian long-horned beetle and the Taveuni beetle. These beetles have powerful jaws, and should be handled with care when alive. No scientists have yet seen a

larva A larva (; : larvae ) is a distinct juvenile form many animals undergo before metamorphosis into their next life stage. Animals with indirect development such as insects, some arachnids, amphibians, or cnidarians typically have a larval phase ...

of this genus, although in Fiji, where three different species occur, the natives consider them to be a rare and special delicacy.

Systematics

The genus ''Xixuthrus'' is currently dividend in two subgenera: ''Xixuthrus'' s. str. and ''Daemonarthra'' Lameere, 1903.Xixuthrus
/ref>
The latter differs from the former in the apically acute (rather than rounded) lobes of the third tarsal segment. Subgenus ''Xixuthrus''

Thomson Thomson may refer to: Names * Thomson (surname), a list of people with this name and a description of its origin * Thomson baronets, four baronetcies created for persons with the surname Thomson Businesses and organizations * SGS-Thomson M ...

, 1864 * '' Xixuthrus arfakianus'' ( Lansberge, 1884) * '' Xixuthrus axis'' Thomson, 1877 * '' Xixuthrus bufo'' Thomson, 1878 * '' Xixuthrus costatus'' (Montrouzier, 1855) * '' Xixuthrus domingoensis'' Fisher 1932 * '' Xixuthrus fominykhi'' Titarenko & Zubov 2018 * '' Xixuthrus ganglbaueri'' Lameere, 1912 * '' Xixuthrus granulipennis'' Komiya, 2000 * '' Xixuthrus gressitti'' Marazzi, Marazzi & Komiya, 2006 * ''

Xixuthrus heros The giant Fijian long-horned beetle (''Xixuthrus '') is native to the island of Viti Levu in Fiji, and is one of the largest living insect species, with specimens around 15 cm long, excluding arthropod leg, legs, antenna (biology), antennae, ...

'' (Gräffe, 1868) * '' Xixuthrus jakli'' Titarenko & Zubov 2018 * '' Xixuthrus lameerei'' Marazzi, Marazzi & Komiya, 2006 * ''

Xixuthrus lansbergei ''Xixuthrus'' is a small genus of long-horned beetles, found primarily on Pacific Ocean, Pacific islands, including Indonesia, New Guinea, the Solomon Islands, and Fiji, and contains some of the largest living insect species, the giant Fijian lon ...

'' (Lameere, 1912) * '' Xixuthrus lunicollis'' Lansberge 1884 * '' Xixuthrus microcerus'' (White, 1853) * '' Xixuthrus nycticorax'' Thomson, 1878 * '' Xixuthrus penrousi'' Titarenko & Zubov, 2018 * '' Xixuthrus pinkeri'' Titarenko & Zubov, 2018 * '' Xixuthrus sapolsky'' Titarenko & Zubov, 2018 * '' Xixuthrus solomonensis'' Marazzi & Marazzi, 2006 * '' Xixuthrus stumpei'' Titarenko & Zubov, 2018 * '' Xixuthrus terribilis''

, 1877 * '' Xixuthrus thomsoni'' Marazzi, Marazzi & Komiya, 2006 Subgenus ''Daemonarthra'' Lameere, 1903 * '' Xixuthrus helleri'' (Lameere, 1903)

References

External links

*
Gallery of ''Xixuthrus''-species
In Russian but excellent images of several members of this genus. Locality information in English. Prioninae Cerambycidae genera {{Prioninae-stub