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KEYS TO LEPIDOPTEROUS LARVA OF SPRUCE BUDWORM
KEYS TO LEPIDOPTEROUS LARVA OF SPRUCE BUDWORM Author:O. H. Lindquist This was prepared to facilitate the separation and identification of larvae associated with Spruce budworm in its various feeding sites and includes 3 dichotomous keys with 12 illustrations that deal with needle miners , defoliators and cone feeders . Twenty two species are cited . Includes some B/W photos .