TY - RPRT TI - Bird predation on cutworms (Lepidoptera: Noctuidae) in wheat fields and chlorpyrifos effects on brain cholinesterase activity AU - L. C. McEwen AU - Lawrence R. DeWeese AU - P. Schladweiler PY - 1986 DO - 10.1093/ee/15.1.147 UR - https://pubs.usgs.gov/publication/5221500 ID - 5221500 ER -