Advanced sense of odor helps ants identify individual ants: Nestmate versus Non-nestmate

Scientists studying ants have always wondered how ants living in huge colonies, identify other ants belong to same colony or is an intruder or enemy ant. Researchers from The University of California, Riverside have found an answer to this question. They have found that ants communicate via diverse hydrocarbon chemicals present on the their outer shells (or cuticles). 

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