. Economic entomology for the farmer and fruit-grower . Papilio asterias.—Mature larva and pupa. but is also sustained by a silken band in front of the middle, so that it is said to be girthed, and this same type we have in all the members of this family. These caterpillars are rarely abundant enough to become troublesome, but if they are, hand-picking is, perhaps, as good a remedy as any. They are quite prominent, and, therefore, easily and rapidly gathered, checking their injury immediately and completely. When they are small, spraying with the arsenites will answer, provided it be done thor
. Economic entomology for the farmer and fruit-grower . Papilio asterias.—Mature larva and pupa. but is also sustained by a silken band in front of the middle, so that it is said to be girthed, and this same type we have in all the members of this family. These caterpillars are rarely abundant enough to become troublesome, but if they are, hand-picking is, perhaps, as good a remedy as any. They are quite prominent, and, therefore, easily and rapidly gathered, checking their injury immediately and completely. When they are small, spraying with the arsenites will answer, provided it be done thoroughly. Another species is P. philenor, of about the same size, black, without the yellow spots through the centre, but with the upper surface overlaid with greenish, powdery scales, which give the insect a metallic lustre in certain lights, and this varies according to the angle at which the light strikes the wings. The cater- pillars feed upon vines of Aristolochia, or " Dutchman's pipe," which they sometimes injure considerably. They are dull brownish red in color, with long, fleshy filaments on the seg- ments, and when irritated also extrude fleshy horns such as
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbenefic, bookyear1906
