Search Results - "Aspidiotus"

The Howard scale by Estes P. Taylor. by Taylor, E. P. (Estes Park), 1879-

Subjects: “…Aspidiotus.…”
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An important enemy to fruit trees : the San Jose scale ; its appearance in the eastern United States ; measures to be taken to prevent its spread and to destroy it / by L.O. Howard... by Howard, L. O. (Leland Ossian), 1857-1950

Subjects: “…Aspidiotus.…”

The Howard scale / by Estes P. Taylor. by Taylor, E. P. (Estes Park), 1879-

Subjects: “…Aspidiotus Colorado.…”

The San Jose or Chinese scale / by C.L. Marlatt. by Marlatt, C. L.

Subjects: “…Aspidiotus.…”