About Pterostichus lama (Ménétriés, 1843)
Pterostichus lama, commonly known as the giant woodland ground beetle, is a North American species of woodland ground beetle that belongs to the family Carabidae. This species can be found in the US states of California, Nevada, Oregon, and Washington, as well as in British Columbia, Canada. These are large, flightless black beetles measuring 15 to 29 mm in length, with strong mandibles. Their diet consists of termites and ants.