On Friday, U.S Fish and Wildlife treated Bear Creek with a pesticide meant to kill Sea Lamprey larvae and reduce the invasive species population in Lake Michigan. Fish and Wildlife monitored the lampricide spread all day Friday. The lampricide kills Sea Lamprey in the stream before they can make it back to the lake. Sea Lamprey are an invasive species that came into the Great Lakes from the ocean in the mid 1800s.(The following is a transcriptio…