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The black fly of citrus and other subtropical plants . flflBHBI^Ht ? Fig. I.—Infested Orange Leaves from Tree Shown in Plate I. Taken in October, 1918. In April, 1919, due to heavy shedding of infested leaves during the dry season, the tree was only lightly infested. • I n ? 1 { Fig. 2.—Pupa Cases of Chrysopa sp., the Larv/e of which are Predatoryon All Stages of Aleurocanthus woglumi. Note the masses of empty skins of the BLACK FLY. Bui. 885, U. S. Dept. of Agriculture. Plate V.
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Keywords: ., bookcentury1900, bookdecade1920, bookidblackflyofci, bookyear1920