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

Suborder Polyphaga - Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles


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 and key for identification of larvae of Stelidota Erichson (Col.: Nitidulidae) found in America north of Mexico
By Peng C.R., Williams R.N., Galford J.R.
J. Kans. Ent. Soc. 63: 626-633, 1990

Geographical variation in Pachybrachis othonus (Coleoptera: Chrysomelidae) with descriptions of a new subspecies
By Edward U. Balsbaugh
Annals of the Entomological Society of America, Volume 66, Issue 2, Pages 252–261, 1973

Hyperaspidius venustulus (Mulsant) (Coleoptera: Coccinellidae): a rarely collected lady beetle associated with the mealybug.
By Wheeler Jr., A.G.
Proceedings of the Entomological Society of Washington 112(1): 149-154., 2010
BioOne

Wheeler Jr., A.G. 2010. Hyperaspidius venustulus (Mulsant) (Coleoptera: Coccinellidae): a rarely collected lady beetle associated with the mealybug Dysmicoccus dennoi Kosztarab on big cordgrass, Spartina cynosuroides (Poaceae). Proceedings of the Entomological Society of Washington 112(1): 149-154.

Fortuitous establishment of Rhyzobius lophanthae (Coccinellidae) in S TX on the Cycad Aulacaspis Scale, Aulacaspis yasumatsui
By Flores, D., and J. Carlson.
Southwestern Entomologist 34(4): 489-492., 2009
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Flores, D., and J. Carlson. 2009. Fortuitous establishment of Rhyzobius lophanthae (Coleoptera: Coccinellidae) and Aphytis lingnanesis (Hymenoptera: Encyrtidae) in South Texas on the Cycad Aulacaspis Scale, Aulacaspis yasumatsui (Hemiptera: Diaspididae). Southwestern Entomologist 34(4): 489-492.