Report on the Rocky Mountain locust and other insects now injuring or likely to injure field and garden crops in the western states and territories . e Salt Lakemuseum. So far as my personal knowledge extends, the tobacco-worm is inju-rious to the tobacco-crop of the Connecticut Valley in Connecticut andWestern Massachusetts, and is only kept under by watchfulness, beingpicked off by hand. In the Middle States, for example Tennessee, theravages of the tobacco-worm, as stated by the Scientific Farmer,which may refer either to this insect or the Carolina sphinx, is a greathinderauce to the succe
Report on the Rocky Mountain locust and other insects now injuring or likely to injure field and garden crops in the western states and territories . e Salt Lakemuseum. So far as my personal knowledge extends, the tobacco-worm is inju-rious to the tobacco-crop of the Connecticut Valley in Connecticut andWestern Massachusetts, and is only kept under by watchfulness, beingpicked off by hand. In the Middle States, for example Tennessee, theravages of the tobacco-worm, as stated by the Scientific Farmer,which may refer either to this insect or the Carolina sphinx, is a greathinderauce to the successful cultivation of tobacco in Tennessee. But,adds the editor, an enemy to it has appeared in the person of an ich-neumon-fly, which destroys the worms in large numbers. It is thoughtif this ichneumon keeps at its work, that certain lands will possess ahigh value for the cultivation of tobacco. The accompanying cut () represents an ichneumon-parasite, a species of Microgaster, bred by PACKAUD.] THE TOBACCO-WORM. 781 Mr. J. H. Emertou, from Macrosila o-maculata ; the cross-lines representthe natural size, and a, the cocoon, natural Fig. 47.—Tobacco-Worm, Chrysalis, and Moth.
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectb, booksubjectinsects
