. The American entomologist. Entomology. ENTOMOLOGIST AND BOTANIST. ruseinblcs the Ariny-woriii in appearance, but lias many habits in common. Lot tlic two not be conlbuniled, however. Tlie trne Army-worm never appears in tlie fall of the year, but always about the time wlien wheat is i^etting' beyond (he milk state; and it "-enerally disappears, in the latitildc of St. Louis, l)y the lirst of June. It < ontines its rus ar i attacks entirely to thf^ gia-^-es and cereals, tin species undei considc i ition isamuchmorcgenei illicih i devouring willi equal leli'-li most succulen
. The American entomologist. Entomology. ENTOMOLOGIST AND BOTANIST. ruseinblcs the Ariny-woriii in appearance, but lias many habits in common. Lot tlic two not be conlbuniled, however. Tlie trne Army-worm never appears in tlie fall of the year, but always about the time wlien wheat is i^etting' beyond (he milk state; and it "-enerally disappears, in the latitildc of St. Louis, l)y the lirst of June. It < ontines its rus ar i attacks entirely to thf^ gia-^-es and cereals, tin species undei considc i ition isamuchmorcgenei illicih i devouring willi equal leli'-li most succulent plants, <-u( h as wheat, coin,I)aile\ ^'rasses, purslane, turnip*-, and, as Mr. J M .loidaii ol SI. Louis infbims iis, even spruces. JSforeover, when critically examined, the two worms show many character- istic diffcninccs, as will be, seen by comparingFigure207, iiuiiytH'w and which represents the true Army-worm, with Figyie 2()fi, wliicli represents al a the Fall Army- worm natural size, at h its head magnified, at c a magnified dorsal view of one of the joints, and al d a magnified side view of same.* With us the Fall Army-worm has done more injury to corn thau to anything else. It not only greedily d vours the leaves and stem, but bores large hoi through the e .rs, bui'rowing in them in an directioiif ..,. late corn it i. fre- quently fi- nd in the " ear with the Corn- worm, alL ' )tton B( ' "" oi {llcliothis armi- ;/era). In. ,. , it is ai „.,i,,.:: confounded with this last as witl '<* •, i'ue Army-worm, and in reality aore near,."'i-esenibles it. The Jioll-woim is, however, rougher, generally jialcr, striped differently (see Figs. 150 and of Vol. I), and always readily distinguished by having a lar:.'.''' ' 'How or reddish'lo-i.^ wlii-' • '. as our forms are being made up, we have (Sept. 20th) bred the parent moth of the Fall Army- worm ; and, as we anticipated, it proves to be the very same undescribed specie
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectentomology, bookyear1
