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Here, we analyse the flight behaviour of the hawkmoth Manduca sexta while it approaches three different artificial flower stimuli: a clearly visible blue flower, an invisible scented flower and a flower that is both visible and scented. By tracking the moths in fine temporal detail, we find that flight towards an artificial flower differs depending on whether the stimulus is unimodal (either visual or olfactory) or multimodal (both visual and olfactory). In all three cases, the moth reduces itsdoi:10.1242/jeb.043760 pmid:20952624 fatcat:hdkf4d3dnbhlhcelxqzsuemoia