Any of a genus (Solenopsis) of insects in the ant family, several species of which are common in southern North America. They are red or yellowish and can inflict a severe sting. The semipermanent nest consists of a loose mound with open craters for ventilation. The workers (see caste) are notorious for damaging planted grain and attacking poultry.
This entry comes from Encyclopædia Britannica Concise.
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