The composition of the ant fauna of a Coral Sea islet, North East Herald Cay, is reported for several years from 1995 to 2007. A major change in composition was first noted in 2007 but probably occurred earlier. Tetramorium lanuginosum, present in 1997 and in previous years, was not found in 2007. Instead, Tetramorium bicarinatum, recorded for the first time in 2006, was abundant in 2007. This change, together with drier conditions, may have initiated a population explosion of a pest coccoid...[Show more]
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