Lyon, Robert L., 1927-

Structure and toxicity of insecticide deposits for control of bark beetles / by Robert L. Lyon. - Washington : U.S. Dept. of Agriculture, 1965. - iii, 59 p. : ill. ; 23 cm. - Technical bulletin / United States Department of Agriculture ; no. 1343 . - Technical bulletin (United States. Department of Agriculture) ; no. 1343. .

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agr65000437


Insecticides--Toxicology.
Bark beetles--Control.

S21 / .A72 no. 1343

632.76

1 / Ag84Te no.1343