Species Ancognatha manca
The Scarabaeoid Beetles of NebraskaBy Brett C. Ratcliffe & M.J. Paulsen
University of Nebraska State Museum, Vol 22, 570 pp., 2008
From the website:
"The 255 species of scarabaeoid beetles occurring in the Great Plains state of Nebraska are comprehensively reviewed. An overview of the land forms, climate, and vegetation of the state is presented. The classification of the superfamily Scarabaeoidea is reviewed, and keys to the families occurring in Nebraska are presented. Included within each family treatment are an introduction, keys to all taxa, descriptions, distributions, diagnosis, notes on biology, illustrations, and maps for all species. Literature cited, a glossary of terms, and a species checklist conclude the volume.
Synopsis of adventive species of Coleoptera (Insecta) recorded from Canada. Part 4: Scarabaeoidea... [through Cleroidea]By Klimaszewski J, Langor D, Smith A, Hoebeke E, Davies A, Pelletier G, Douglas HB, Webster RP, Bourdon C, Borowiec L, Scudder GGE
Pensoft Series Faunistica 116: 1-215, 2017
Full title: Synopsis of adventive species of Coleoptera (Insecta) recorded from Canada. Part 4: Scarabaeoidea, Scirtoidea, Buprestoidea, Byrrhoidea, Elateroidea, Derodontoidea, Bostrichoidea, and Cleroidea
Review of the American Corylophidae, Cryptophagidae, Tritomidae and Dermestidae, with other studiesBy T. L. Casey
New York Entomological Society, 1900
Journal of the New York Entomological Society, 8
(2): 51-172, 1900
New Coleoptera records from eastern Canada, with additions to the fauna of Manitoba, British Columbia, and Yukon TerritoryBy Webster RP, de Tonnancour P, Sweeney JD, Webster VL, Kostanowicz CA, Hughes C, Anderson RS, Klymko J, Chantal C, Vigneault R
ZooKeys 946: 53-112, 2020
Beetles of Western North America.By Evans, A.V.
Princeton University Press, 2021
From the author of the acclaimed Beetles of Eastern North America, a triumphant follow-up guide to western beetles, lavishly illustrated with more than 1,500 stunning color photographs.
• The only comprehensive color photographic guide to the region’s beetles
• Covers 1,428 species from all 131 families west of the Continental Divide, and offers tips for identifying more than 450 additional species
• Features more than 1,500 stunning color photographs