. Insects and plant diseases [microform] : instructions in spraying. Spraying and dusting in agriculture; Agricultural pests; Pulvérisation et poudrage en agriculture; Ennemis des cultures, Lutte contre les. Currant Worms and the Saw Flies to which they change. This insect ia very troublesome upon currant and gooseberry bushes. It lays its eggs early in the spring, on the under side of the leaves, in rows along the veins. These hatch in about ten days, and the young worms appear. The larva, when full grown, is about three quarters of an inch in length, of a green- ish cc !op, with dark spots,
. Insects and plant diseases [microform] : instructions in spraying. Spraying and dusting in agriculture; Agricultural pests; Pulvérisation et poudrage en agriculture; Ennemis des cultures, Lutte contre les. Currant Worms and the Saw Flies to which they change. This insect ia very troublesome upon currant and gooseberry bushes. It lays its eggs early in the spring, on the under side of the leaves, in rows along the veins. These hatch in about ten days, and the young worms appear. The larva, when full grown, is about three quarters of an inch in length, of a green- ish cc !op, with dark spots, and has many legs. It spins a brown cocoon, of paper- like texture, which is found sometimes on the ground among the dried leaves, or on the bueh, attached to the stems or leaves. Thib represents the pupa con dition. The imago appears in about two weeks after the pupa stage has been entered. The male is much smaller than the female, the body black, with some yellow spots above, while in the female the body is mostly yellow. Both have four membranous wings. A second brood is of common oo- oarrence. Hemedies.—1. Hellebore, one ounce in three gallons of water. It may also be applied as a dry pow- der, mixing it with three or four parts of flour. 2. Paris green for the first brood, but care must be taken not to continue this if the fruit is likely to be affected. 10. Qbape-Vinb Beetle.—Hallica chalybea. The egga are deposited on the under side of the leaves. The larva is about one-third of an. inch long dition is The passes tl is very ( larval ooi Rem combined 2, E 3. Ji The, tree. Th about thri shallow c{ bark and cuts a pas Roun In this cha it is'an inc! borer, whic The in on the wini. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ontario. Dept. of Agriculture. [Toronto? : Ontario Dept. of Agriculture]
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectsprayinganddustingin
