Photograph of Typical Damage to Jack Pine Caused by Jack Pine Sawfly Larvae; Scope and content: Original caption: Typical damage to jack pine (pinus banksiana) caused by jack pine sawfly larvae. This tree in Sec 30, 21-11; plantation shows damage four days after brood hatched. Prompt spraying with lead arsenate, linseed oil and water stopped further spread and damage.

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Size: 3814px × 5243px
Photo credit: © Alpha Stock / Alamy / Afripics
License: Licensed
Model Released: No

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