Holcoponera Cameron, 1891 Hypocylindromyrmex Wheeler, 1924 Metacylindromyrmex Wheeler, 1924 Cylindromyrmex is a Neotropical genus of ants in the subfamily Dorylinae.

The genus is known from the New World, from Central America to Brazil, Bolivia and the Galápagos Islands,[2] and currently contains 10 extant species and 3 fossil species.

[3] The fossil species, all described from single or a small number of specimens, were found in Dominican amber.

[4] Their nesting place include cavities of wood and even termite nests.

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