. Injurious insects : how to recognize and control them . Insect pests; Insect pests. Fk;. 447. — Larva of the Bud-moth. Enlarged and natural size. Original. gether witli silk, feeding inside, so that small, dead, brown clusters are to be seen here and there. When full grown, the larvs are brownish, and tliree quarters of an inch long. The caterpillars change to pupte within the webbed leaves, and later the small gray and brown moths appear and lay eggs on the under- side of leaves. The tiny worms which hatcli from these feed for a few weeks and then migrate to twigs and make silk cases m whic
. Injurious insects : how to recognize and control them . Insect pests; Insect pests. Fk;. 447. — Larva of the Bud-moth. Enlarged and natural size. Original. gether witli silk, feeding inside, so that small, dead, brown clusters are to be seen here and there. When full grown, the larvs are brownish, and tliree quarters of an inch long. The caterpillars change to pupte within the webbed leaves, and later the small gray and brown moths appear and lay eggs on the under- side of leaves. The tiny worms which hatcli from these feed for a few weeks and then migrate to twigs and make silk cases m which they pass the winter. Spraying T\-ith arsenicals is effective if done very early when the buds are just expanding, and repeated as soon as the leaves are fairly out- Regular seasonal spray- ings'will control this species through poisoning the larvae when the>- first hatch from the eggs in midsum- mer. For tliis reason they T I ,o -ru T3 J ti r 1 I J are not apt to be seen in hiG. 44s.— i he Buu-nioth. Enlarged and ^ natural size. Original. wcU-carcd-for The Blackhead Cranberry Worm {Rhopobota [Eiidemis) vacciniana Pack.) Small, velvety green caterpillars, with shining black heads, draw to- gether the tip leaves on uprights and feed within. The pest is com- monly known as the "fire worm " because of the scorched appearance of a badly infested bog. There are two broods annually. The species overwinters as an egg attached to the under side of the leaf. Where sufficient water is available, it is an effective plan to reflow for two or tlu-ee days when the worms are coming down out of the uprights and pupating. If tliis is not feasible, the only satisfactory. 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 O'Kane, Walter Collins, b. 1877. New York : The Macmillan Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1912