About Bembidion affine Say, 1823
Bembidion affine Say, 1823 is a species of ground beetle that belongs to the subfamily Trechinae. This species is native to North America. Its range spans from Ontario and southwestern Quebec in Canada, south to the Florida Panhandle and Texas in the United States. Bembidion affine also lives in Cuba. Adult individuals of Bembidion affine measure between 2.9 and 3.5 mm, which equals 0.11 to 0.14 inches in length.