. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture -- Massachusetts. 66 MASS. EXPERIMENT STATION BULLETIN 239 Cranberry ;" Tliis species occurs only on dry hogs and hogs tliat are not reflooded regu- larly. It hardly ever attracts attention, hut its long feeding i^eriod prohahly sometimes allows it to do considerahle harm. It is one of tiie minor drains that must be checked to make cranberry culture Cranberry Sawfly. Fig. 66. Cocoon and female fly. Much enlarged. Fig. 67. Cranberry leaf with egg-pockets. Much enlarged. Fig. 68. Worm. Much enlar
. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture -- Massachusetts. 66 MASS. EXPERIMENT STATION BULLETIN 239 Cranberry ;" Tliis species occurs only on dry hogs and hogs tliat are not reflooded regu- larly. It hardly ever attracts attention, hut its long feeding i^eriod prohahly sometimes allows it to do considerahle harm. It is one of tiie minor drains that must be checked to make cranberry culture Cranberry Sawfly. Fig. 66. Cocoon and female fly. Much enlarged. Fig. 67. Cranberry leaf with egg-pockets. Much enlarged. Fig. 68. Worm. Much enlarged. hl.^tributloti (mil Food Phnils. This insect has been found in Massachusetts, New York, New Jersey, Illinois and Wisconsin. Cranberry is its only known food plant. The worms scallop the leaves irreiiularlv. Description 'tvil Seasonal Histort/. The worms winter in rather tough cocoons of coft'ee-brown silk (fig. 66) among the trasii on the bog floor, unharmed by the winter flood. They pupate 69. Prisliphora idiola 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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