. The American entomologist. Entomology. 22 THE AMERICAN ENTOMOLOGIST. tenderer stems of the potato, while two of them burrow, like a borer, exclusively in the larger stalks? Knally that almost every one of these ten species has its peculiar insect enemies; and that a mode of attack, which will prove very successful against one, two, or three of them, will often turn out to be utterly worthless, when employed against the remainder? "We propose, in this article, in order to throw some light upon a subject which appears to be very generally enveloped in the dark clouds of entomological igno
. The American entomologist. Entomology. 22 THE AMERICAN ENTOMOLOGIST. tenderer stems of the potato, while two of them burrow, like a borer, exclusively in the larger stalks? Knally that almost every one of these ten species has its peculiar insect enemies; and that a mode of attack, which will prove very successful against one, two, or three of them, will often turn out to be utterly worthless, when employed against the remainder? "We propose, in this article, in order to throw some light upon a subject which appears to be very generally enveloped in the dark clouds of entomological ignorance,—to give a short ac- count, illustrated by figures, of the above ten foes of the potato. After this, if any Editor, whether of a political or an agricultural journal, shall persist in talking about "THE Potato Bug," we shall have to turn him over to the grammarians for deserved castigation, as an in- veterate and incorrigible abuser of the defi- nite article. ColorB—(1) grayish t ; (2) Uvid brown and white. The Staxk Boeee ( Oortyna nitela,Gnenee).— This larva (Fig. 11,2) commonly burrows in the large stalks of the potato; but is not peculiar to that plant, as it occurs also in the stalks of the tomato, and in those of the dahlia and aster and other garden flowers. "We have likewise found it boring through the cob of growing Indian corn, and strangely confijiing itself to that por- tion of the ear; and we formerly received a sin- gle specimen embedded in the stem of Indian corn, ft-om which we subsequently bred the winged insect. By way of compensation, we suppose, it is particularly partial to the stem of the common cocklebur (Xanthium strumari- um) ; and if it would only confine itself to such noxious weeds as this, it might be considered as a friend instead of an enemy. In 1868 it has been more numerous than usual, and we noticed it to be particularly abundant along the Ii-on Mountain and Pacific roads in Missom-i. In the fore part of July, 1868, w
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