. A classification of the scale insect genus Asterolecanium. Asterolecanium; Scale insects. 254 MISC. PUBLICATION 42 4, U. S. DEPT. OF AGRICULTURE. Figure 19.—Asterolecanium difficile: A, genital and anal area, X 650; B, outline, X115; C, antenna; D, 8-shaped pore; E, section of margin, X 650; F, spiracle; G, multilocular pore; H, trilocular pore. A. disiunctum: I, outline, X 87; J, genital and anal area, X 650; K, claw; L, antenna; M, section of margin, X 65<»; N., marginal 8-shaped pore; 0, dorsal 8-shaped pore; P, tubular Please note that these images are extracted from scanned pa


. A classification of the scale insect genus Asterolecanium. Asterolecanium; Scale insects. 254 MISC. PUBLICATION 42 4, U. S. DEPT. OF AGRICULTURE. Figure 19.—Asterolecanium difficile: A, genital and anal area, X 650; B, outline, X115; C, antenna; D, 8-shaped pore; E, section of margin, X 650; F, spiracle; G, multilocular pore; H, trilocular pore. A. disiunctum: I, outline, X 87; J, genital and anal area, X 650; K, claw; L, antenna; M, section of margin, X 65<»; N., marginal 8-shaped pore; 0, dorsal 8-shaped pore; P, tubular 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