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[caption id="attachment_255" align="aligncenter" width="590"] Three wasps with distinct faces. Image credit: QMUL.[/caption]
A small South-East Asian wasp species is the first shown to identify family and intruders by facial recognition, a study published in Proceedings of the Royal Society B has revealed. The wasp, called Liostenogaster flavolineata, was shown to favour visual cues over specific scents when defending their nests against possible intruders.