Abstract
Recent work with the Argentine ant, Iridomyrmex humilis (Mayr), in California and the imported fire ant, Solenopsis saevissima richteri Forel, in Mississippi, the 2 ants of primary economic importance in the United States today, has required tremendous numbers of workers, brood, and queens for biological and toxicological studies. This note describes a method by which ants could be readily separated from the soil in which their nests are constructed and collected in large numbers with a minimum loss of delicate eggs and brood.

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