. A classification of the scale insect genus Asterolecanium. Asterolecanium; Scale insects. quinquelocular pore; G, tubular duct. A. euphorbiae: it. secuoo 01 900; /, antenna; J, outline, X 60; K. tubular duct: L. submargina euryopis: M, spiracle, X 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: 1240px × 2015px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookpublisherwashingtondcusdeptofagriculture