Same Flower Chemicals Tell Some Insects "This Bud's For You,"
Posted: Thursday, November 22, 2001
Source: Cornell University (http://www.cornell.edu)
ITHACA, N.Y. -- When some insects zero in on a flower for nectar, their ultraviolet vision is guided by a bull's-eye "painted" on the plant by chemical compounds. Now, chemical ecologists at Cornell University have discovered a second job for these compounds: warding off herbivores. MORE