BioStor
 | Descriptions of North American Hymenoptera B D Walsh (1873) Transactions of the Academy of Sciences of St. Louis 3: 65-166 |
 | Coleoptera found in the vicinity of Meriden, Connecticut H Johnson (1915) Entomological News, Philadelphia 26(7): 307-319 |
 | Remarks on collecting at light, with a list of the Coleoptera taken C Frost (1915) Psyche. Cambridge, Massachusetts 22: 207-211 |