. Eastern forest insects . F-519925-6 Figure 36.—Evidence of nitidulid attacks on oak: A, scars of overgrown attacks; B, pockets in the wood beneath scars shown on A. insects in eastern United States are discussed. Stehr (689) pub- lished keys to the identification of species occurring in Minnesota. The two-spotted lady beetle, Adalia bipimctata (L.), an intro- duced species, is an important predator of the pine needle, jun- iper, beech, and terrapin scales in the Northern States. Adults are 122

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Keywords: ., bookcentury1900, bookcollectionbiodive, booksubjectforestinsects