Onichodon canadensis larva - Onichodon canadensis
Marquette County, Wisconsin, USA
May 5, 1997
The image is from the following source in which I published: Otto, R.L., 2013, Eucnemid Larvae of the Nearctic Region. Part III: Mature Larval Descriptions for Three Species of Onichodon Newman, 1838 (Coleoptera: Eucnemidae: Macraulacinae: Macraulacini), with Notes on Their Biology, The Coleopterists Bulletin, 67(2):97-106. Additional images are in the published paper.