Annual report of the Maine Agricultural Experiment Station . Apple Aphids and Work. Figs. 30-33 Green apple-aphis; 30, Winter eggs; 31, Winged form;32, Wingless form; 33, Leaf curl caused by Apple-aphis; 34, Woollyaphid, wingless form; 35, Knotty root caused by Woolly aphid.(Figs. 30-33 after Quaintance; 34, 35 after Marlatt).. WINTER STAGES Photographed from Maine specimens. Fig. 36, Eggs from which TentCaterpillars hatch. Fig 37, Cocoon of Cecropia Moth. Fig 38, Winternest of Brown-tail Moth. Fig. 39, Eggs of the Antique Tussock Mothon cocoon.

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Keywords: ., bookcentury1800, bookdecade1880, booksubjectagriculture, bookyear