Revision of bark beetles belonging to genus pseudohylesinus swaine
Blackman, M.W.
Revision of bark beetles belonging to genus pseudohylesinus swaine - Washington 1942 - 1-31 p. - Beetles United States Department of Agriculture. Miscellaneous Publication No.461 .
Revision of bark beetles belonging to genus pseudohylesinus swaine - Washington 1942 - 1-31 p. - Beetles United States Department of Agriculture. Miscellaneous Publication No.461 .