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

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Larval key to Genera and selected Species of North American Cocinellidae (Coleoptera)
By Rees, B. E., Anderson, D. M., Bouk, D., and Gordon, R. D.
Proceedings of The Entomological Society of Washington, vol. 96(3), pp. 387-412, 1994
"Abstract - An illustrated key to the larvae of 46 of the 60 genera of North American Coccinellidae is presented." (including all genera currently represented in BugGuide) Fourteen genera are not yet understood sufficiently to include.

Paper includes many detailed figures of overall habitus and structures necessary for keys including; head and mouthparts, antennae, body structures and armature types.

The Scymnini (Coleoptera: Coccinellidae) of the United States & Canada: Key to genera and revision of Scymnus, Nephus, & Diomus
By Robert D. Gordon
Bulletin of the Buffalo Society of Natural Sciences, Buffalo, NY, Vol 28, 1976
While Gordon's 1985 work, "The Coccinellidae (Coleoptera) of America North of Mexico" (ref (1)) does contain keys, illustrations, and distribution maps for all species, for "detailed description and discussion" for Scymnini the reader is referred to this earlier work.

As of 2006, copies were still available from the publisher.

A catalog of Coleoptera of America north of Mexico. Family: Mordellidae
By Bright D.E.
USDA Agriculture handbook no. 529-125. viii + 22 pp.

Diversity and phenology of tumbling flower beetles (Coleoptera: Mordellidae) captured in a malaise trap.
By Jackman and Nelson
Entomological News 106(3): 97-107., 1995
Jackman, J.A., and C.R. Nelson. 1995. Diversity and phenology of tumbling flower beetles (Coleoptera: Mordellidae) captured in a malaise trap. Entomological News 106(3): 97-107.

BioStor - BHL

ABSTRACT: Adult mordellid beetles were monitored at Brackenridge Field Laboratory in Austin, Texas from January 1990 through December 1990 using a Malaise trap. A total of 754 specimens representing 35 species (17% of the North American fauna) and one subspecies were taken in this study. Twenty-eight of the species and one subspecies are recorded for the first time from Texas. Specimens were collected as early as March 13-19 and as late as November 27-December 3. Up to 19 species, nearly 10% of the mordellid fauna of North American north of Mexico, were collected in a single week. However, 19 (52%) of the taxa reported in this study were represented by five or fewer specimens indicating that most species were relatively rare. The seasonal flight pattern indicated a unimodal flight activity pattern for the family and also for most species.

Taxonomic changes for fifteen species of North American Mordellidae (Coleoptera)
By A.E. Lisberg
Insecta Mundi 17(3-4): 191-194, 2003

Nomenclatural changes for selected Mordellidae (Coleoptera) in North America
By J.A. Jackman & W. Lu
Insecta Mundi 15(1): 31-34, 2001

Monograph of the Family Mordellidae (Coleoptera) of North America, North of Mexico
By Emil Liljeblad
University of Michigan Press, 1945
Miscellaneous Publications Museum of Zoology, University of Michigan, #62.

Referenced in American Beetles and Downie and Arnett. Title sums it up: 193 species, 15 genera, 230 pages, 7 plates of b/w line drawings of many species. Copies still available!

The Tenebrionidae of California: a time sensitive snapshot assessment
By Aalbu R.L., Smith A.D.
ZooKeys 415: 9-22, 2014

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