Tree Fruit Research & Extension Center

Orchard Pest Management Online

 

 
Gallery

Return to full article text

Woolly apple aphid axillary colonies (E. Beers, July 2005) [WAAf21]

Woolly apple aphid shoot colony on young apple tree (E. Beers) [WAAf9]

Woolly apple aphid colony on previous season's gall (E. Beers) [WAAf2]

Early season woolly apple aphid colony (E. Beers) [WAAf3]

Woolly apple aphid colony with a mixture of live and parasitized aphids (E. Beers) [WAAf8]

Woolly apple aphid colony on twig gall (E. Beers) [WAAf7]

Woolly apple aphid colony on apple shoot (S.Hoyt) [WAAf18]

Woolly apple aphid attacks blossom clusters (E. Beers) [WAAf4]

Woolly apple aphid in apple calyx (E. Beers) [WAAf5]

Woolly apple aphid mummies in apple calyx (E. Beers) [WAAf6]

Bark splits caused by woolly apple aphid feeding (E. Beers) [WAAf10]

Bark splits caused by woolly apple aphid feeding (E. Beers) [WAAf14]

Woolly apple aphid gall on apple shoot (E. Beers, March 1988) [WAAf22]

Galls surrounding pruning wound caused by woolly apple aphid (E. Beers) [WAAf12]

Twig galls caused by woolly apple aphid (E. Beers) [WAAf13]

Woolly apple aphid colony on roots (E. Beers) [WAAf11]

Woolly apple aphid galls on root system of apple (E. Beers, 1987) [WAAf23]

Woolly apple aphid leaf axil colonies (E. Beers, June 2009) [WAAf26]

Woolly apple aphid colony in 'Golden Delicious' fruit cluster (E. Beers, June 2009) [WAAf25]

Blind wood on 'Cameo' caused by woolly apple aphid (E. Beers) [WAAf1]

Return to full article text

 

Orchard Pest Management, is copyrighted by the Washington State Fruit Commission. Soft cover copies are available for purchase.
Tree Fruit Research & Extension Center , 1100 N Western Ave, Washington State University, Wenatchee WA 98801, 509-663-8181, Contact Us