Most aphids are plant pests, but serve as food directly or indirectly for many other insects including lady beetles, lacewings, and ants. Aphids are known for polymorphism with species. A single species may have many body shapes.
Reproductive adult
My yard 02/25/2014
NIKON CORPORATION NIKON D7100, f/1 @ 0 mm, 1/200, ISO 320, No Flash