HOVERFLY

If you have little hovering insects in your garden that look like tiny bees or even, to you, wasps, don't kill them.  They are gardeners' friends.  They will eat decaying matter and aphids, and will pollinate your crops as they gather nectar and pollen.   Love them and leave them alone.



Hoverfly taking pollen from a pelargonium

http://en.wikipedia.org/wiki/Hoverfly





Greenfly infestation - photo taken at an RHS Centre, not my garden!