A predaceous small, black beetle Laricobius nigrinus is released as a biological control agent for the wooly adelgid. In 2010, a total of 2,000 L. nigrinus adults were released at Mountain Lake.
|L. nigrinus, native to the Pacific Northwest,|
and predator of the exotic wooly adelgid
|Release and recovery locations of predatory|
biological control beetles at Mountain Lake.
We extend a big Thank You to all members and friends of the Mountain Lake Conservancy! Your membership and contribution provides direct support for conservation efforts such as the hemlock treatment program at Mountain Lake.