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FIGURE 124.—The satin moth, Stilpnotia salicis: A, male adult; B, female 
adult; C, larva; D, male pupa; E, female pupa; F, egg cluster; G, cocoon; 
H, hibernating web on bark. 
connata Meig. and the hymenopteron, Eupteromalus nidulans 
(Thomson) are also important. 
The brown-tai! moth, Nygmia phaeorrhoea (Donov), (fig. 125) 
an introduced species, was first recorded in North America in 
Somerville, Mass., in 1897. During the next few years, it in- 
creased enormously and spread rapidly. By 1905, it was extremely 
abundant throughout Rhode Island, eastern Massachusetts, south- 
ern New Hampshire, and southwestern Maine, and had been re- 
corded as far north as New Brunswick and Nova Scotia. Ten 
years later, most of the area east of the Connecticut River, with 
the exception of northern New Hampshire and Maine, was heav- 
ily infested. Infestations also occurred in Vermont and west of 
the Connecticut River in Massachusetts and Connecticut. Since 
329 
