Notiophilus semiopacus, the semiopaque big-eyed beetle, is a species of ground beetle in the family Carabidae. It is found in Central America (Mexico) and North AmericaBousquet Y (2012). "Catalogue of Geadephaga (Coleoptera: Adephaga) of America, north of Mexico". ZooKeys 245: 1-1722. (Arizona, California), where it is found on ridges, near snowfields, at foothill canyons (along streams), in parks, as well as on sea beaches in California.
Adults are mostly diurnal and wing-dimorphic, with some adults being brachypterous and other macropterous.A Treatise on the Western Hemisphere Caraboidea (Coleoptera)
References
Erwin, Terry L. (2007). A Treatise on the Western Hemisphere Caraboidea (Coleoptera): Their classification, distributions, and ways of life. Volume I. Trachypachidae, Carabidae - Nebriiformes 1, 323 + 22 plates. Riley K, Browne R (2011). "Changes in ground beetle diversity and community composition in age structured forests (Coleoptera, Carabidae)". ZooKeys 147: 601–621.
Further reading
Arnett, R.H. Jr., and M. C. Thomas. (eds.). (2000). American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia. CRC Press LLC, Boca Raton, FL. Arnett, Ross H. (2000). American Insects: A Handbook of the Insects of America North of Mexico. CRC Press. Richard E. White. (1983). Peterson Field Guides: Beetles. Houghton Mifflin Company.