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

Genus Dinacoma

Phylogenomics reveals conservation challenges and opportunities for cryptic endangered species ... disappearing desert ecosystem
By Daniel Rubinoff, J. Bradley Reil, Kendall H. Osborne, Christopher J. Gregory, Scott M. Geib, Julian R. Dupuis.
Biodiversity and Conservation 29: 2185-2200, 2020
Note the full title of the paper:
Phylogenomics reveals conservation challenges and opportunities for cryptic endangered species in a rapidly disappearing desert ecosystem.

A new species of melolonthine chafer in the endemic California genus Dinacoma Casey (Coleoptera: Scarabaeidae)
By Conrad P.D.T. Gillett,Kendall H. Osborne, J. Bradley Reil, & Daniel Rubinoff
J. Insect Biodiversity 017 (2): 028-035, 2020

Review of the tribe Melolonthini in the southeastern United States (Coleoptera: Scarabaeidae: Melolonthinae)
By Skelley P.E.
Insecta Mundi 17: 129-156, 2005
Full text

great paper, fine taxonomic job, fascinating reading --even for someone who is not much into scarabs [that's me]; i'm happy Mike Thomas brought it to my attention.

An electronic checklist of the New World chafers (Coleoptera: Scarabaeidae: Melolonthinae). Version 3
By Evans A.V., Smith A.B.T.
Electronically published, Ottawa, Canada. 353 pp., 2009

New species of Serica (Scarabaeidae) IX
By Dawson, R.D.
Journal of the New York Entomological Society, 60: 65-77 + plates, 1952
Descriptions of new species and summary of distributions.

The species of Scarabaeidae (Coleoptera) associated with sugarcane in south Florida
By R.D. Gordon and D.M. Anderson
The Florida Entomologist, 64 (1): 119-138 , 1981
"Those species of Scarabaeidae known to be associated with sugarcane in the Lake Okeechobee area of Florida are discussed and delineated. The species are: Phyllophaga latifrons (LeConte), Anomala marginata (F.), Cyclocephala parallela Casey, Dyscinetus morator (F.), Ligyrus subtropicus (Blatchley), and Euphoria sepulchralis (F.). Descriptions and illustrations of the larvae of all these species are presented as well as descriptions and illustrations of the adults of all species except Euphoria sepulchralis (F.). A key to the south Florida species of the genus Cyclocephala is also included."

A catalog of the Coleoptera of America North of Mexico: Family Scarabaeidae, Subfamilies Rutelinae and Dynastinae
By Hardy A.
USDA Agric. Handbook 529-34b, 57 pp., 1991

The Scarab Beetles of Florida
By Robert Woodruff
Florida Department of Agriculture and Consumer Services, 1973
Full title: Arthropods of Florida and Neighboring Land Areas. Volume 8. The Scarab Beetles of Florida (Coleoptera: Scarabaeidae). Part I. The Laparosticti (Subfamilies: Scarabaeinae, Aphodiinae, Hybosorinae, Ochodaeinae, Geotrupinae, Acanthocerinae). Part II covers May Beetles (Phyllophaga).

Has black-and-white photos. Apparently out of print, but still available from some suppliers--see comments. Also available on-line:

Link updated 7 February 2012--thanks for the comments!