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Cerapachys biroi
''Cerapachys biroi'', or the clonal raider ant, is a queenless clonal ant in the Ooceraea group of the genus ''Cerapachys''. Native to the Asian mainland, this species has become invasive on tropical and subtropical islands throughout the world. Unlike most ants, which have reproductive queens and mostly non-reproductive workers, all individuals in a ''C. biroi'' colony reproduce clonally via thelytokous parthenogenesis. Like most cerapachyines, ''C. biroi'' are obligate myrmecophages and raid nests of other ant species to feed on the brood.〔
==Description==
Clonal raider ants are small, ~2mm, but relatively stocky. Like many cerapachyines, ''C. biroi'' are heavily armored, with the short, thick antennae which give the genus its name (from Greek, keras/κέρας, meaning horn and pachys/παχυς, meaning thick). The other defining characteristic of the Cerapachyinae, a row of teeth over the pygidium (last visible abdominal segment), is very small in ''C. biroi'' and difficult to see. ''C. biroi'' can be distinguished from many other cerapachyines by the combination of highly reduced or non-existent eyes, rectangular head, and distinct post-petiole.〔(antweb.org )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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