Bibliography
Source: Catalogue of Life
3 results
Vandenberg, Natalia J. / Arnett, Ross H., Jr., M. C. Thomas, P. E. Skelley, and J. H. Frank, eds. (2002). Family 93; Coccinellidae Latreille 1807. American Beetles, Vol. 2; Polyphaga: Scarabaeoidea through Curculionoidea. |
Gordon, Robert D. (1985). The Coccinellidae (Coleoptera) of America North of Mexico. Journal of the New York Entomological Society, Vol. 93, No. 1. |
J. N. York Ent. Soc., 7 |
Citation
Helesius Casey, 1899 in undefined