. Bulletin. Agriculture -- New Hampshire. 100 THE GYPSY MOTH. outbreaks occur but once in a number of years in any one locality, in the same manner as do outbreaks of our native insects, such as the forest tent caterpillar or white-marked tussock moth, which are controlled by native parasites. A determined effort is, therefore, now being made by. the Massachusetts superintendent, in cooperation with the Bureau of Entomology of the United States Department of Agriculture, in importing those parasites and predaceous. Fig. 11.—Killing the eggs of the Gypsy Moth in woodland, showing the large amou
. Bulletin. Agriculture -- New Hampshire. 100 THE GYPSY MOTH. outbreaks occur but once in a number of years in any one locality, in the same manner as do outbreaks of our native insects, such as the forest tent caterpillar or white-marked tussock moth, which are controlled by native parasites. A determined effort is, therefore, now being made by. the Massachusetts superintendent, in cooperation with the Bureau of Entomology of the United States Department of Agriculture, in importing those parasites and predaceous. Fig. 11.—Killing the eggs of the Gypsy Moth in woodland, showing the large amount of labor and expense involved in combating the pest in badly infected districts. (After Forbush and Fernald.) insects which prey upon the gypsy moth in Europe. Already large numbers have been imported from all parts of Europe and are being carefully reared in strict confine- ment at Saugus, Mass. It is the hope of everyone that these importations may result, within a few years, in such an in- crease of these enemies that they will be able to control the gypsy moth. It is the belief of the writer that ultimately either imported or native enemies of the gypsy moth will control it, as they do our native insects; but Nature works slowly, and whether such a condition will arise in five, ten or. 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 New Hampshire Agricultural Experiment Station. [Hanover, N. H. ] : New Hampshire Agricultural Experiment Station
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