Species Labarrus pseudolividus
A new genus for Drepanocanthoides larreae (Horn, 1887) and description of a new congeneric Mexican species...By Dellacasa M., Dellacasa G., Gordon R.D.,
Insecta Mundi 0407: 1–6, 2015
Full title: A new genus for Drepanocanthoides larreae
(Horn, 1887) and description of a new congeneric Mexican species (Coleoptera: Scarabaeidae: Aphodiinae)
Checklist of the Aphodiini of Mexico, Central and South America (Coleoptera: Scarabaeidae: Aphodiinae)By P.E. Skelley, M. Dellacasa, G. Dellacasa, R.D. Gordon
Insecta Mundi 0014: 1-14, 2007
A Monograph of the Aphodiini Inhabiting the United States and Canada (Coleoptera:Scarabaeidae:Aphodiini)By Robert D. Gordon & Paul E. Skelley
Memoirs of the American Entomological Institute, 2007
20 new genera, 38 new species, 28 new synonyms and 179 new combinations. For our fauna, only fimetarius remains in Aphodius. One example, the widespread Aphodius campestris is now Blackburneus aegrotus. Several genera have only one or two species.
The species of Scarabaeidae (Coleoptera) associated with sugarcane in south FloridaBy 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."
The Scarab Beetles of FloridaBy 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:
Arthropods of Florida
--scroll down to Vol. 8 - Scarab Beetles of Florida
Aquatic Hydrophilidae and Hydraenidae of Wisconsin (Coleoptera). I.By William L. Hilsenhoff
The Great Lakes Entomologist, 1995
Full title: Aquatic Hydrophilidae and Hydraenidae of Wisconsin (Coleoptera). I. Introduction, Key to Genera of Adults, and Distribution, Habitat, Life Cycle, and Identification of Species of Helophorus Fabricius, Hydrochus Leach, and Berosus Leach (Hydrophilidae), and Hydraenidae