. Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada. Beneficial insects; Insect pests; Insects; Insects. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 2 29 of leaf and lined with silk. Moths emerge in lo to 14 days in early August. The eggs of second generation are laid on the berries, and the larvae feed on the pulp and seeds. Sometimes there is a third generation. Winter is passed in the pupal stage. Cow/ro/.—Spray with arsenate of lead, 4 lb., Bordeaux 2:3 : 50, and 2 lb. dissolved soft soap just after blooming; in
. Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada. Beneficial insects; Insect pests; Insects; Insects. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 2 29 of leaf and lined with silk. Moths emerge in lo to 14 days in early August. The eggs of second generation are laid on the berries, and the larvae feed on the pulp and seeds. Sometimes there is a third generation. Winter is passed in the pupal stage. Cow/ro/.—Spray with arsenate of lead, 4 lb., Bordeaux 2:3 : 50, and 2 lb. dissolved soft soap just after blooming; in August, when the berries are half-grown, or about 7 weeks after the grapes bloom, use 6 lb. arsenate of lead. TcRTRiciD^ (Leaf Rollers) Fruit Tree Leaf Roller {Cacmcia argyrospila Walker).—(Consult Bull. 311, Cornell, Bull. 250, Ont. Dep. Ag.) A serious enemy of the apple east of the Rockies. It attacks also pears and plums, and some shade and forest 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 Lochhead, William, 1864-. Philadelphia, Blakiston
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919
