. Injurious insects of the orchard, vineyard, field, garden, conservatory, household, storehouse, domestic animals, etc., with remedies for their extermination . CHAPTER CCVII. The Stalk Borer. (Cal.) {Gortyna nitela.—Guenee.) Order, Lepidoptera ; Family, [Burrowing into the stalks of corn, potatoes, tomatoes, cur-rant-bushes, etc.; a l)rownish sixteen-legged worm nuirkedwith white stripes.] Fig. 304.—Stalk Fig. 304. Borer; 1, the moth—color, gray; 2, thec a t e rp i 1 lar—colors,white and brown. This l)orer (, ^,) when fulh-grown measures about one inch and three lines in le


. Injurious insects of the orchard, vineyard, field, garden, conservatory, household, storehouse, domestic animals, etc., with remedies for their extermination . CHAPTER CCVII. The Stalk Borer. (Cal.) {Gortyna nitela.—Guenee.) Order, Lepidoptera ; Family, [Burrowing into the stalks of corn, potatoes, tomatoes, cur-rant-bushes, etc.; a l)rownish sixteen-legged worm nuirkedwith white stripes.] Fig. 304.—Stalk Fig. 304. Borer; 1, the moth—color, gray; 2, thec a t e rp i 1 lar—colors,white and brown. This l)orer (, ^,) when fulh-grown measures about one inch and three lines in length, is of a reddish-brown color,marked on the back with three white lines, the two lowest onesinterrupted on the segments from the fourth to the seventh,inclusive ; the underpart of these segments is reddish-brown,. 308 INSECTS INFESTING THE POTATO. while this part of the remaining segments is greenish-white ; thehead is yellowish-brown, usually with a dark dash ujDon eachside. It sometimes assumes the pupa form within its burrow,but it usually enters the earth, where it forms a cell in which toundergo its transformations. The fore-wings of the moth(Fig. 304, 1,) expand from an inch and one line to an inch andsix lines; they are of a mouse gray color, tinged with lilac,and finally sprinkled over with bright yellow scales; towardthe outer edge they are crossed by a yellow line. These borersappear from April to August, there being but one annualbrood; the moths are supposed either to hibernate, or todeposit their eggs in the Fall, these not hatching until the fol-lowing Spring ; the first supposition is probably the correct —Use* No. 25. CHAPTER CCVIII. The Colorado Potato Beetle. {Doryphnra lO-lineata.—Say.) Order, Coleopetra ; Family, Chrysomelid^. [Feeding upon the leaves of the p


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