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Contact: Daniel Stolte
University of Arizona

Nectar Humidity Plume

Caption: This is an evening primrose flower as it appears to the human eye (left) and to a hawkmoth (right). if nectar is present, an invisible plume of humidity emanates from the flower, telling the moth if it warrants a visit.

Credit: Martin von Arx

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Related news release: Got nectar? To hawkmoths, humidity is a cue

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