. Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; . spilosoma vhginica, the wliite ermine moth.—ff, larva; b, pupa ; <", adult. this caterpillar may be recognized by having the central portions of the body red-brown, while the anterior and posterior segments are black. This produces a uniformly brownish-yellow moth. All the moths fly at night, and are but rarely seen during the day, and all the caterpillars, where they become troublesome, are within reach of the arsenites. An exception to the general feeding habi


. Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; . spilosoma vhginica, the wliite ermine moth.—ff, larva; b, pupa ; <", adult. this caterpillar may be recognized by having the central portions of the body red-brown, while the anterior and posterior segments are black. This produces a uniformly brownish-yellow moth. All the moths fly at night, and are but rarely seen during the day, and all the caterpillars, where they become troublesome, are within reach of the arsenites. An exception to the general feeding habit we find in Hyphan- tria ciinca, the caterpillar of which is known as the " fall web- ; The moth is white, sometimes without spot or mark of any kind, usually with only a few black dots, but occasionally with the spots forming more or less evident bands across the wing. The eggs are laid in masses on trees, and the larvae, as soon as they hatch, form a little web in which they remain so- cially, except when feeding. They eat first the leaves within, then those close to their nest, gradually separating until some- times an entire tree becomes defoliated from a single point. This


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectentomology, bookyear1