BeetleGone, BeetleJus, are affective protectants as nicely and non-toxic to bees and different useful bugs . Aphids are very small (1/16-1/eight inch) delicate-bodied bugs that can be green, black, pink, yellow, brown or grey. A tiny however distinguishing characteristic of them is their tail-pipes. Some aphids have wings, some don't, but all look pretty similar and have these tailpipes.