. Bulletin. Agriculture -- New Hampshire. THE BROWN-TAIL MOTH. 147 The efficiency of their destruction was well shown in the City of Somersworth during the past summer. The city and private property owners had done most excellent work the previous winter in destroying the webs, but in one or two cases the ignorance or obduracy of the property owner prevented the destruction of the webs by the city em- ployes. In one small yard with scarcely a dozen fruit trees where the webs were not destroyed the caterpillars appeared in such numbers that every apple tree was. Fig. 31.—Pear tree defoliated by
. Bulletin. Agriculture -- New Hampshire. THE BROWN-TAIL MOTH. 147 The efficiency of their destruction was well shown in the City of Somersworth during the past summer. The city and private property owners had done most excellent work the previous winter in destroying the webs, but in one or two cases the ignorance or obduracy of the property owner prevented the destruction of the webs by the city em- ployes. In one small yard with scarcely a dozen fruit trees where the webs were not destroyed the caterpillars appeared in such numbers that every apple tree was. Fig. 31.—Pear tree defoliated bythe caterpillars of the Brown-Tail Moth. The webs on the trees in the background were destroyed the previous winter. Photograph taken at Vine Street, Somerville, Mass., May 27,1897. (After Fernald and Kirkland.) absolutely defoliated and were gathered by the peck at the bases of the trees. Thorough spraying of the trees with arsenicals and spraying the caterpillars which had crawled on neighboring fences and houses with pure kero- sene, destroyed most of them. But the expense was ten fold what it would have been to have pruned off the webs in winter, and enough caterpillars escaped destruction to reinfest the whole community. In another case a limb of a large apple tree (Fig. 32, a) overhung a neighbor's yard in such a way that it was difficult to remove the nests with-. 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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