Doug Wechsler / Multicolored asian lady beetle (Harmonia axyridis) with aphid (Uroleucon) on Goldenrod, Pennsylvania, USA, August.

Doug Wechsler / Aphid (Uroleucon) on Goldenrod (Solidago), Philadelphia, USA, April.

Doug Wechsler / Aphid colony (Uroleucon sp) winged adults and larvae, feeding on Goldenrod (Solidago sp), Pennsylvania, USA

Doug Wechsler / Aphid colony (Uroleucon sp) adults and larvae on Goldenrod (Solidago sp) Pennsylvania, USA