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Apple - Woolly Apple Aphid

Word document copy of ipm.ucdavis.edu information on Woolly Apple Aphid. Woolly apple aphids infest roots, trunks, limbs, shoots, and occasionally fruit of apple trees. The bodies of these bark-feeding aphids are completely covered by masses of white, wool-like, waxy materials. This aphid is found in colonies on the aerial portions of the tree and on roots during winter. The nymphs migrate up or down the trunk of infested trees during summer and fall....

PDF document icon FS_Insect_Wooly_apple_aphid_UC_IPM.pdf — PDF document, 44 kB (45450 bytes)