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Psylla Gallery
PHOTOS: ARLO PELEGRIN
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1st instar and egg
2nd instar
3rd instar
4th instar
5th instar
adult psylla closeup
adult psylla
psylla exuvia
honeydew on leaf
parasitized psylla husk
Callow adult
Egg cluster
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Tree Fruit Research & Extension Center
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Washington State University
,1100
N Western Ave., Wenatchee, WA, 98801 USA