. [Scientific lectures]. Xemaiia ventricoms. Klug. a, a, a, different stages of growth ;J6, a single segment ofthe caterpillar magnified. 56. Adult specimens enlarged. The marks at the side represent the actual measurement withwings spread, a, male; b, female. This worm is so common and so well known in Vermontthat it needs no description. It affords an excellent example of thewonderful rapidity with which an important insect may increase andflourish in this country. It was imj^orted from Europe in 1860, intonurseries in Rochester, N. Y. Since that time it has not only spreadeastward throughou
. [Scientific lectures]. Xemaiia ventricoms. Klug. a, a, a, different stages of growth ;J6, a single segment ofthe caterpillar magnified. 56. Adult specimens enlarged. The marks at the side represent the actual measurement withwings spread, a, male; b, female. This worm is so common and so well known in Vermontthat it needs no description. It affords an excellent example of thewonderful rapidity with which an important insect may increase andflourish in this country. It was imj^orted from Europe in 1860, intonurseries in Rochester, N. Y. Since that time it has not only spreadeastward throughout New England, but to the far west. It is adreadful pest to the currant and gooseberry bushes, and in sectionswhere it has been left to do its work unchecked such fruits are num-bered as things of the past. Though near fifty species of the JVematus are natives of this c jun-try, this little foreigner has forced • himself so disagreeably to ournotice that we almost forget the ravages of the native varieties. Though the worm is so well known, the fly that causes the mis-chief is seldom noticed. The female is of a bright honey-yellowcol
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872
