Some insects gather nectar from a flower and don't pollinate the flower. This is called nectar robbing.

What’s the best security control against this robbery?!

	▲	rags2riches 2 hours ago \| parent \| next [-]
		This is what the shape of the flower and its placement of the stamen and pistils are all about.
	▲	adm4 2 hours ago \| parent \| prev [-]
		great idea... How do you make sure there is an exchange.