Aphids Cereal aphids Corn aphid colony on barley Corn aphid being attacked by hoverfly larva Oat aphid on barley Rice root aphid Rose grain aphid Rose grain aphid (winged adult) Russian wheat aphid Broadleaf aphids Cotton aphid Cotton aphid (winged adult) Cowpea aphid Cowpea aphid (winged adult) Cowpea aphid (parasitised) Pea aphid Soybean aphid Cabbage aphid on canola Turnip aphid on canola