. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture -- Massachusetts. 18 MASS. EXPERIMENT STATION BULLETIN 353 retain the spray. The value of this method is demonstrated annually in commer- cial apple orchards where the pest is so well controlled by the pre-blossom sprays that growers feel little or no concern about this species in their orchards. Bourne, A. I., and Shaw, F. R. Mass. Ext. Leaflet 167. Biitton, W. E. Conn. Agr. Exp. Sta. Bui. 378. 1935. Eastern Tent Caterpillar. Left, egg mass; right, mature caterpillars. Courtesy, Conn. Agr. Expt. Station. Forest Ten
. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture -- Massachusetts. 18 MASS. EXPERIMENT STATION BULLETIN 353 retain the spray. The value of this method is demonstrated annually in commer- cial apple orchards where the pest is so well controlled by the pre-blossom sprays that growers feel little or no concern about this species in their orchards. Bourne, A. I., and Shaw, F. R. Mass. Ext. Leaflet 167. Biitton, W. E. Conn. Agr. Exp. Sta. Bui. 378. 1935. Eastern Tent Caterpillar. Left, egg mass; right, mature caterpillars. Courtesy, Conn. Agr. Expt. Station. Forest Tent Caterpillar Malacosoma disstriu Hbn. The forest tent caterpillar is closely related to the eastern tent caterpillar and is often mistaken for it. Unlike the latter species, however, this insect makes no nest and the caterpillars feed independently most of their lives. When nearly mature they congregate on the trunks of trees in somewhat the same way that the eastern tent caterpillars cluster on the outside of their nest. The forest tent caterpillar is blue in appearance with a row of keyhole-shaped white spots on its back instead of a white stripe. The moth is slightly paler and has dark instead of white oblique stripes on its front wings. The ends of its egg clusters are squared. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Massachusetts Agricultural Experiment Station. Amherst, : Massachusetts Agricultural Experiment Station, 1907-1974
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