. 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. Pig. 188.—Lady-bird beetles: o. a 2-spottcd lady-beetle (Adalia bipundala); b, the convergent lady-beetle i^Hippodamia convergens); c, the 9-spotted lady- beetle (Coccinella g-notala); d, twice-stabbed lady-bird (Chilocorus hivulnerus); e, the 5-spotted lady-beetle (C. $-notata). {After Briiton.). Fig. 189.—Penlilia ftiisella LeC; a, beetle; b, larva; c, pupa; d, blossom end of scale infested pear, showing beetles and

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. 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. Pig. 188.—Lady-bird beetles: o. a 2-spottcd lady-beetle (Adalia bipundala); b, the convergent lady-beetle i^Hippodamia convergens); c, the 9-spotted lady- beetle (Coccinella g-notala); d, twice-stabbed lady-bird (Chilocorus hivulnerus); e, the 5-spotted lady-beetle (C. $-notata). {After Briiton.). Fig. 189.—Penlilia ftiisella LeC; a, beetle; b, larva; c, pupa; d, blossom end of scale infested pear, showing beetles and their larvse feeding upon the scales, all greatly enlarged. (After Howard and Marlatt, Bull. 3, Div Ent., U. S. Dept. Agric.) 19. 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, 1864-1927. Philadelphia : Blakiston

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919