The black fly of citrus and other subtropical plants . The Black Fly. The undersurface of the same shoot shown in Plate V Bui. 885, U. S. Dept. of Agriculture. Plate VII. > t. The Black Fly. Celluloid cages in which adults were confined in order to obtain egg spirals for observation. I Bui. 885, U. S. Dept. of Agricultm Plate VI! lyHli % *\ ? L/ » l»^.^ a f - k.! 3* A ^^ *b*~fii ^ \% % •»^«w. »** . -**„?** »^ 4 ,# / *? ^ ? f «te & *J i* j ^ ; 1 ? *** * f *»• ^ * i t „# L^ Si

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Keywords: ., bookcentury1900, bookdecade1920, bookidblackflyofci, bookyear1920