ANIMALS - How fruit flies detect sweet foods: Research opens door for investigations into taste receptors of mosquitoes

Insects represent remarkable diversity and have adapted to all sorts of ecological nooks and crannies. For example, they have taste receptors—novel proteins—with which they taste chemicals and make important choices about not only foods but also mates and where to deposit their eggs. These receptors are widely seen as being at the leading edge of behavioral adaptations ...

http://phys.org/news/2014-01-fruit-flies-sweet-foods-door.htm