Traps for the japanese beetle and how to use them
Metzger, F.W.
Traps for the japanese beetle and how to use them - Washington 1934 - 1-12 p. - Beetle United States Department of Agriculture. Miscellaneous Publication No. 201 .
Traps for the japanese beetle and how to use them - Washington 1934 - 1-12 p. - Beetle United States Department of Agriculture. Miscellaneous Publication No. 201 .