Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Subfamily Sphaeridiinae

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

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Handbook of Zoology. Coleoptera Vol. 3: Morphology and Systematics (Phytophaga)
By Leschen R.A.B., Beutel R.G. (eds)
Walter de Gruyter, Berlin. 687 pp., 2014

Review of the American Corylophidae, Cryptophagidae, Tritomidae and Dermestidae, with other studies
By T. L. Casey
New York Entomological Society, 1900
Journal of the New York Entomological Society, 8(2): 51-172, 1900

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The Bothrideridae and Colydiidae of America north of Mexico (Coleoptera: Clavicornia and Heteromera)
By Stephan K.H.
Florida Dept. of Agriculture and Consumer Services, Division of Plant Industry. xii, 65 p., 1989
Occasional Papers of the Florida State Collection of Arthropods, Vol.6
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Descriptions of new species of Coleoptera of the United States
By Melsheimer, F. E.
Proceedings of the Academy of Natural Sciences at Philadelphia 3: 158-181.

DNA barcodes reveal 63 overlooked species of Canadian beetles (Insecta, Coleoptera)
By Pentinsaari M, Anderson R, Borowiec L, Bouchard P, Brunke A, Douglas H, Smith A, Hebert P
ZooKeys 894: 53–150, 2019

Descriptions of coleopterous insects ...
By Thomas Say
J. Acad. Nat. Sci. Phila., Vol. III, Part 1, pp. 139-216, 1823
Thomas Say, Descriptions of Coleopterous Insects collected in the late Expedition to the Rocky Mountains, performed by order of Mr. Calhoun, Secretary of War, under the command of Major Long. By Thomas Say, Zoologist to the Expedition. Read October 22, 1823. Journal of the Academy of Natural Sciences of Philadelphia, Vol. III, Part 1, pp. 139-216, 1823.

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Description of some new Species of North American Insects
By Le Conte, J.
Annals of the Lyceum Natural History of New York, 1: 169-173., 1824
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This is father Le Conte's first publication on beetles...

Description of some new Species of North American Insects. By Captain John Le Conte of the United States Army. Read Nov. 8th.

Owing to the difficulty of determining, in this country, what insects are know to naturalists in Europe, the science of entomology has as yet made but small progress amongst us : even if all the books which have been published on this subject were commonly available, we still should not be in a much better situat