. A classification of the scale insect genus Asterolecanium. Asterolecanium; Scale insects. 312 MTSC. PUBLICATION 42 4, U. S. DEPT. OF AGRICULTURE. Figure 77.—Asterolecanium ungulatum: A, genital and anal area, X 460. A. unicum: B, antenna; G, outline, X 60; D, spiracle; E, genital and anal area, X 345; F, 8-shaped pore. A. urichi: G, section of margin, X 825; H, antenna; J, genital and anal area, X 650; J, outline, X 87; K, 8-shaped pore; L, spiracle; M, dark-rimmed 8-shaped pore near beak; N, dark-rimmed 8-shaped pore on abdomen. ^. Please note that these images are extracted from scanned pa


. A classification of the scale insect genus Asterolecanium. Asterolecanium; Scale insects. 312 MTSC. PUBLICATION 42 4, U. S. DEPT. OF AGRICULTURE. Figure 77.—Asterolecanium ungulatum: A, genital and anal area, X 460. A. unicum: B, antenna; G, outline, X 60; D, spiracle; E, genital and anal area, X 345; F, 8-shaped pore. A. urichi: G, section of margin, X 825; H, antenna; J, genital and anal area, X 650; J, outline, X 87; K, 8-shaped pore; L, spiracle; M, dark-rimmed 8-shaped pore near beak; N, dark-rimmed 8-shaped pore on abdomen. ^. 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


Size: 1252px × 1996px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookpublisherwashingtondcusdeptofagriculture