Successful farming : a ready reference on all phases of agriculture for farmers of the United States and Canada . Potato Tuber Moth {Phthorim&a operculella).- Imported Cabbage Web Worm A-Moth. B-Larva, lat- (Hellula undahs).1 erai view. C—Larva, dorsal A—Mature moth. B—Larva, lateral view. view. D—Pupa. E. F—Seg- C—Larva, dorsal view. D—Pupa. times natural size. All three merits of larva, enlarged. (Re-drawn from Riley and Howard.). Work of the Potato-Tuber view of potato. ?Bur. Ent. Bull. 19. (986) 2Farm. Bull. 557- INSECT PESTS AND THEIR CONTROL 987 The Imported Cabbage Web Wor
Successful farming : a ready reference on all phases of agriculture for farmers of the United States and Canada . Potato Tuber Moth {Phthorim&a operculella).- Imported Cabbage Web Worm A-Moth. B-Larva, lat- (Hellula undahs).1 erai view. C—Larva, dorsal A—Mature moth. B—Larva, lateral view. view. D—Pupa. E. F—Seg- C—Larva, dorsal view. D—Pupa. times natural size. All three merits of larva, enlarged. (Re-drawn from Riley and Howard.). Work of the Potato-Tuber view of potato. ?Bur. Ent. Bull. 19. (986) 2Farm. Bull. 557- INSECT PESTS AND THEIR CONTROL 987 The Imported Cabbage Web Worm (Hellula undalis, Fab.).—Thisworm feeds upon cabbage, turnips and other similar crops, spinning a webunder which it retires when not feeding. Treatment.—Same as for cabbage Bull. 23, p. 54. The Imported Cabbage Worm {Pontia rupee, Linn.).—Of all the insectson cabbage, this is theworst pest. It is the larvaeof the white butterflyseen fluttering about overfields of cabbage duringspring and summer. Treatment.—Same asfor cabbage Ent. Cir. 60. The Melon Aphis(Aphis gossypii, Glov.).—This plant louse feeds notonly on melons but oncotton, strawberries and anumber of other plants. Treatment.—Beforethe leaves are badly curledspray them with nicotinesolution, turning the vinesover if necessary, so as tohit the under sides of theleaves. In .small gardens Imported Cabbage Worm fumigate under tub w
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
