Study: Hawkmoths use humidity to sense nectar
Thursday, June 28, 2012 - 06:00
in Biology & Nature
(Phys.org) -- People assume that a flower's scent, color and shape attract insects to settle on a flower to sip nectar and, thereby, pollinate the plant. But new research shows that a more relevant sensory apparatus may help some insects hunt for a flower's sweet juice: hygroreceptors that sense humidity.