. The gypsy moth Porthetria dispar Linn. . GYPSY MOTHQUARANTINE Fig. 2. Map of Connecticut showing area quarantined on accountof gypsy moth. N. Y.; Mount Kisco, N. Y.; Rutherford, N. J.; and near Cleve-land, Ohio. The three last named infestations were discoveredduring the year 1914. These separate infestations have all been,nearly if not quite, exterminated. Discovery in Connecticut. Stonington. In July 1905, two female moths were taken and two males seen at Stonington by Mr. Ernst Frensch, a collector of insects. Later egg-masses were found. Mr. Frensch communicated with this 6 CONNECTICUT E
. The gypsy moth Porthetria dispar Linn. . GYPSY MOTHQUARANTINE Fig. 2. Map of Connecticut showing area quarantined on accountof gypsy moth. N. Y.; Mount Kisco, N. Y.; Rutherford, N. J.; and near Cleve-land, Ohio. The three last named infestations were discoveredduring the year 1914. These separate infestations have all been,nearly if not quite, exterminated. Discovery in Connecticut. Stonington. In July 1905, two female moths were taken and two males seen at Stonington by Mr. Ernst Frensch, a collector of insects. Later egg-masses were found. Mr. Frensch communicated with this 6 CONNECTICUT EXPERIMENT STATION, BULLETIN NO. 186. office in February j 906, and the writer visited Mr. Frensch, sawhis specimens and the egg-clusters. The center of the infesta-tion was apparently in some brush growing around the pondnear the velvet mill on the eastern side of the village. These egg-clusters were destroyed and the brush cut and burned. Later otheregg-clusters were discovered on apple and other trees in the vicin-. Figure —Diagram showing life history of Gypsy moth. ity and some distance away. Altogether less than a square milewas the greatest area infested at Stonington. In the summer of 1906 about caterpillars wore destroyedat Stonington. The number grew smaller each year until ionwhen none were found. It is not known how the gyps) nltnreached Stonington. but it may have been brought accidentallyfrom Eastern Massachusetts on some goods shipped to the velvet THE GYPSY MOTH! DISCOVERY IN CONNECTICUT. 7 mill or its employees, or it may have been brought directly fromEurope. The complete records of this infestation are given inthe following table: Record of Gypsy Moths Destroyed at Egg-masses Caterpillars Cocoons 1906 73 10,000 47 1907 118 2,936 200 1908 73 2,560 44 1909 6 98 o 1910 1 146 1 1911 3 00 1912 o 00 Though we believe that this infestation had already been eradi-cated the work was continued in 1913. Late in the caterpillarseason a nearly m
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