. Economic entomology for the farmer and fruit-grower [microform] : and for use as a text-book in agricultural schools and colleges. Beneficial insects. 2«2 AiV ECONOMIC ENTOMOLOGY. Fig. 310. The moth is dull ochre-yellow in color, more or less clouded with black in the middle of the wings, on each of which there is a transparent eye-like spot, divided transversely by a slender line and en- circled by yellow and black rings. Before and adjoining this spot in the hind wings is a large blue patch shading into black. With a very similar caterpillar and cocoon, the luna moth, Adias hma, is entirel
. Economic entomology for the farmer and fruit-grower [microform] : and for use as a text-book in agricultural schools and colleges. Beneficial insects. 2«2 AiV ECONOMIC ENTOMOLOGY. Fig. 310. The moth is dull ochre-yellow in color, more or less clouded with black in the middle of the wings, on each of which there is a transparent eye-like spot, divided transversely by a slender line and en- circled by yellow and black rings. Before and adjoining this spot in the hind wings is a large blue patch shading into black. With a very similar caterpillar and cocoon, the luna moth, Adias hma, is entirely difl'erent from the poly- phemus. It is of an even, bluish-green color, sometimes verging into yellow- ish, with a little eye-like spot on all wings, the anterior border of the fore- wings margined with scarlet, while the hind wings are each furnished with a long tail. When these caterpillars are noticed on a cultivated plant they can be easily picked off and destroyed, but as a rule their natural enemies serve to keep them reduced to compara- tively small numbers. These Ameri- can species produce a much greater quantity of silk, of a much stouter texture than the Chinese silk-worm proper; but, unlike it, their thread cannot be reeled. It is this that makes it impossible to use our species suc- Cocoon of the cecropia cessfully for the production of a cheap and strong silken fabric. We sometimes find on corn, clover, apple, and other plants or trees a green caterpillar, with a brown stripe edged with white on each side of the body, covered also with little processes, from which arise clusters of prickly spines. These have urticating proper- ties, so that if the larvae are carelessly handled a certain amount of irritation may arise, though much less than is the case with the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resem
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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherphila, bookyear1896
