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Slave-making ant
Slave-making ants are brood parasites that capture brood of other ant species to increase the worker force of their colony. After emerging in the slave-maker nest, slave workers work as if they were in their own colony, while parasite workers only concentrate on replenishing the labor force from neighboring host nests, a process called slave raiding.
The slave-making ants are specialized to parasite a single species or a group of related species, and they are often close relatives to their hosts, which is typical for social parasites. The slave-makers may either be permanent social parasites (thus depending on enslaved ants throughout their whole lives) or facultative slave-makers. The behavior is unusual among ants but has evolved several times independently.
==Terminology==
Theft of brood for the purpose of employing the stolen individual's efforts in support of the thief is called dulosis (from Greek ''doulos'', "slave"), but the term "slave-making" is used in older literature and is still common.〔 Herbers (2007) considered the term offensive and suggested that "slave-making ants" should be replaced with "pirate ants", noting that pirates take captives and rely on forced labor. Further, "slave" could be replaced with "captive" and "dulosis" with "leistic behavior" (Greek for pirated spoils, ''leistos'').〔
A related type of social parasitism is called inquilinism, in which a reproductive enters a host colony, lays eggs, and relies on the host colony to rear its offspring. Unlike brood parasitism, the inquiline remains within the nest and typically its brood does not outnumber the host's brood.〔
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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