560 INSECT PESTS OF FARM, GARDEN AND ORCHARD 



on almost all the common shade trees, except the evergreens, 

 and particularly on oak. 



Life History. The moths emerge in midsummer. They are 



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FIG. 410. Full grown larvse of the brown-tail moth natural size. 



strong fliers and are readily carried by the wind for many miles. 

 They are attracted to lights in great numbers, so that they are 



FIG. 411. A mass of cocoons of the brown-tail moth attached to foliage. 



more abundant hi cities and villages. Late in July the eggs are 

 laid on the terminal leaves, 300 or 400 being laid in an elongate 



