Apparatus and procedure for extracting corn rootworm eggs from soil Shaw, John Turrell. creator Ellis, Robert Oliver, contributor Luckmann, William Henry, 1926- contributor text book Urbana State of Illinois, Dept. of Registration and Education, Natural History Survey Division 1976 1976
print
ENG Northern corn rootworm Soils Testing Biological notes, no. 96 https://www.biodiversitylibrary.org/bibliography/200920 0073-490X https://www.biodiversitylibrary.org/bibliography/14997 2504104 10.5962/bhl.title.14997 SPI