The larch sawfly : its biology and control /
Drooz, Arnold Thomas, 1921-
The larch sawfly : its biology and control / by A.T. Drooz - Washington : U.S. Dept. of Agriculture, 1960. - iii, 52 p. : ill., maps. ; 23 cm. - Technical bulletin / United States Department of Agriculture ; no. 1212 . - Technical bulletin (United States. Department of Agriculture) ; no. 1212. .
Literature cited: p. 45-52.
agr60000189
Larch sawfly--Control.
S21 / .A72 no. 1212
595.79
1 / Ag84Te no.1212
The larch sawfly : its biology and control / by A.T. Drooz - Washington : U.S. Dept. of Agriculture, 1960. - iii, 52 p. : ill., maps. ; 23 cm. - Technical bulletin / United States Department of Agriculture ; no. 1212 . - Technical bulletin (United States. Department of Agriculture) ; no. 1212. .
Literature cited: p. 45-52.
agr60000189
Larch sawfly--Control.
S21 / .A72 no. 1212
595.79
1 / Ag84Te no.1212