. 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. Fig. 213. — Strawberry weevil (Anlhonomus sig- nalus). Enlarged. {After Riley and Chittenden.) Fig. 214.—The strawberry weevil: a, b, plant showing work on bud and stem; c, outline of egg; d, larva; e, head of larva;/, pupa; g, bud opened to show egg and punc- tures. {After Chittenden.) Control.—Plant mostly pistillate varieties; plant only staminate varieties as trap-crops; cover beds with muslin. Cotton Boll-Weevil {
. 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. Fig. 213. — Strawberry weevil (Anlhonomus sig- nalus). Enlarged. {After Riley and Chittenden.) Fig. 214.—The strawberry weevil: a, b, plant showing work on bud and stem; c, outline of egg; d, larva; e, head of larva;/, pupa; g, bud opened to show egg and punc- tures. {After Chittenden.) Control.—Plant mostly pistillate varieties; plant only staminate varieties as trap-crops; cover beds with muslin. Cotton Boll-Weevil {Anlho- nomus grandis Bob.).—(Consult Bulletin 51, and Farmers'Bull. 344, Bur. Ent., U. S. Dept. of Agriculture.) A serious pest of cotton in the Southern States. Adull.—A small brownish weevil, 3^^ inch long, with two teeth at tip of femora of forelegs; female lays about 140 eggs. Hibernates in sheltered situ- ations (Fig. 215). Eggs.—Small, oval, white; hatch in about 3 days. Larva.—A white, footless grub with brown head; matures in 7 to 12 days (Fig. 216). P«/?a.—Soft, white; stage lasts 3-5 days. Average duration of. Fig. 215.—Cotton boll-weevil: a, beetle, from above; b, same, from side. About 5 times natural size. {After W. D. Hunter, U. S. Bur. Ent.). 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
