. A classification of the scale insect genus Asterolecanium. Asterolecanium; Scale insects. 252 MISC. PUBLICATION 42 4, IT. S. DEPT. OF AGRICULTURE. Figure 17.—Asterolecanium coronatum: A, outline, X 120; B, section of margin, X 900; C, antenna; D, anterior spiracle, X 900; E, posterior spiracle, X 900. A. cristatum: F, antenna; G, genital and anal area, X 345; E, outline, X 60; /, tubular duct; J, section of margin, X 650; K, multilocular pore; L, quinque- locular pore; M, dark-rimmed 8-shaped pore; N, submarginal 8-shaped pore; O, disk Please note that these images are extracted from


. A classification of the scale insect genus Asterolecanium. Asterolecanium; Scale insects. 252 MISC. PUBLICATION 42 4, IT. S. DEPT. OF AGRICULTURE. Figure 17.—Asterolecanium coronatum: A, outline, X 120; B, section of margin, X 900; C, antenna; D, anterior spiracle, X 900; E, posterior spiracle, X 900. A. cristatum: F, antenna; G, genital and anal area, X 345; E, outline, X 60; /, tubular duct; J, section of margin, X 650; K, multilocular pore; L, quinque- locular pore; M, dark-rimmed 8-shaped pore; N, submarginal 8-shaped pore; O, disk 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 Russell, Louise M. (Louise May), 1905-. Washington, D. C. : U. S. Dept. of Agriculture


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Keywords: ., bookcentury1900, bookpublisherwashingtondcusdeptofagriculture