Clay Bolt / Carpenter Ants (Camponotus pennsylvanicus) guarding Beech Blight Aphids (Grylloprociphilus imbricator) in exchange for honeydew, which the aphids excrete, Southern Appalachians, South Carolina, USA, O...
01718936
Doug Wechsler / Beech blight aphids (Grylloprociphilus imbricator) colony covering a tree branch, with waxy excretions that protect them from predators, Crossways Preserve, Pennsylvania, USA. July.
01718935
Doug Wechsler / Beech blight aphid (Grylloprociphilus imbricator) on tree bark, showing waxy excretion that protects it from predators, Fulshaw Craeg Preserve, Pennsylvania, USA. August.
01689725
Nigel Cattlin / Damage and nodules caused by Woolly aphids (Eriosoma lanigerum) feeding on the roots of apple tree, South Africa.
01689724
Nigel Cattlin / Damage and nodules caused by Woolly aphids (Eriosoma lanigerum) feeding on the roots of apple tree, South Africa.
01652632
Nigel Cattlin / Woolly aphid (Eriosoma lanigerum) infestation, with waxy extrusions and aphids on apple wood, Devon, England, UK. September
01652631
Nigel Cattlin / Woolly aphid (Eriosoma lanigerum) infestation, with waxy extrusions and aphids on apple wood, Devon, England, UK. September
01652630
Nigel Cattlin / Woolly aphid (Eriosoma lanigerum) waxy extrusions and aphids on apple wood, Devon, England, UK. September
01652629
Nigel Cattlin / Woolly aphid (Eriosoma lanigerum) waxy extrusions and aphids on apple wood, Devon, England, UK. September
