BioStor
 | Additions to the Coleoptera of Meriden, Connecticut H Johnson (1916) Entomological News, Philadelphia 27(3): 112-124 |
 | Notes on Coleoptera in Pennsylvania, New York and Connecticut Champlain A B. and Knull J N. (1921) Entomological News, Philadelphia 32: 270-273 |
 | A list of the beetles of San Diego County, California M O O R E Jan (1937) Occasional Papers of the San Diego Society of Natural History 2: 1-109 |