The cottony maple scale (Pulvinaria innumerabilis Rathvon).
By J. G. Sanders.

Description

Main Author: Sanders, James Glossbrenner, 1880-1957.
Related Names: United States. Department of Agriculture
United States. Bureau of Entomology
Language(s): English
Published: [Washington, Gov't. Print. Off., 1905]
Subjects: Maple scale.
Physical Description: 6 p. : ill. ; 23 cm.
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