Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . d bylarge yellow and black-striped caterpillars, with black head, twolong, black filaments on the anterior, and numerous shorterblack processes on the other segments. These are the orange-striped oak worms, which, when mature, go beneath the sur-face of the ground, change to brown, roughened pupae, and inspring appear as brown moths ; the Anisota senatoria. The malesare much the smaller, have the fore-wings somewhat triangularand pointed, a little transparent towards the midd
Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . d bylarge yellow and black-striped caterpillars, with black head, twolong, black filaments on the anterior, and numerous shorterblack processes on the other segments. These are the orange-striped oak worms, which, when mature, go beneath the sur-face of the ground, change to brown, roughened pupae, and inspring appear as brown moths ; the Anisota senatoria. The malesare much the smaller, have the fore-wings somewhat triangularand pointed, a little transparent towards the middle, and witha clear white spot near the centre. The females are rather THE INSECT WORLD. 279 lighter in color, the white spot is much smaller, and the wingsare not in the least transparent, but irrorated with darker, smallspots, which give them a pcwdered appearance. On maples, especially in the more southern States, we oftenfind a smaller caterpillar, which is green, with black stripes, andmarked with little red dots. The resulting moth is known asthe rosy Dryocampa, and has the fore-wings rose colored, Fig. Dryocampa rubiainda.—a, its larva: b, its pupa ; c, female moth : the rosyDryocampa. crossed by a broad pale-yellow band, while the hind wings arepale yellow, with a short rosy band behind the middle. It israrely abundant enough to need attention, but when it does, theexternal feeding habit indicates the remedy at once. Next we reach the series of species that are silk-spinners parexcellence in the caterpillar state. They are known in a generalway as bombycids from the term Bombyx, which was for a longtime applied to the silk-worm. Among the largest of ourLepidoptera are the species of Attacus, which expand from fourto eight inches, and are allied to the giants of the tropical region,which have a spread of wing of sometimes fully twelve of our species are ever numerous enough to be reallytroublesome, and they are interesting rather from the habits ofthe
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsectp, bookyear1906
