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Tribe Melolonthini

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Revision of the scarabaeid beetles of the phyllophagan subgenus Listrochelus of the United States, with discussion...
By L.W. Saylor
Proceedings of the United States National Museum, 89(3095): 59-130., 1940
Full title: "Revision of the scarabaeid beetles of the phyllophagan subgenus Listrochelus of the United States, with discussion of related subgenera."


Full text online here.

May Beetles of the United States and Canada
By Luginbill and Painter
USDA Technical Bulletin No. 1060, 1953

Natural history, ecology, and conservation of the genus Polyphylla Harris, 1841. New species from the sw US & Baja California.
By La Rue, D.A.
Insecta Mundi 0491: 1-41., 2016
Link to download full PDF

La Rue, D.A. 2016. Natural history, ecology, and conservation of the genus Polyphylla Harris, 1841. 1. New species from the southwestern United States and Baja California, Mexico, with notes on distribution and synonymy. Insecta Mundi 0491: 1-41.

Abstract

Four new species of the genus Polyphylla Harris (Coleoptera: Scarabaeidae: Melolonthinae) from the southwestern United States and Baja California, Mexico, are described and illustrated: Polyphylla anivallis, P. koso, P. morroensis, and [i]P.

Notes on Polyphylla Harris with a description of a new species (Coleoptera: Scarabaeidae: Melolonthinae).
By La Rue, D.A.
Insecta Mundi 12(1 & 2): 23–37., 1998
Full PDF

La Rue, D.A. (1998). Notes on Polyphylla Harris with a description of a new species. (Coleoptera: Scarabaeidae: Melolonthinae). Insecta Mundi 12(1 & 2): 23–37.

Abstract:
Polyphylla aeolus La Rue, new species, is described from the Kelso Sand Dunes, Mojave Desert, San Bernardino County, California, U.S.A. Illustrations of dorsal habitus, significant morphological details, and adult genitalic forms are provided. A description of the type locality including geographical and ecological parameters is presented. Taxonomic problems within the genus and limitations of recently proposed methods of species identification are discussed. A modified key is provided to distinguish the new species.

A monograph of the genus Polyphylla Harris in America north of Mexico.
By Young, R.M.
Bulletin of The University of Nebraska State Museum, Lincoln. 11(2): 1-116., 1988
Ronald M. Young. 1988. A monograph of the genus Polyphylla Harris in America north of Mexico (Coleoptera: Scarabaeidae: Melolonthinae). Bulletin of The University of Nebraska State Museum, Lincoln. 11(2): 1-116.

B/W photos, drawings, maps, tables. This monographic work is the definitive volume on those "10-lined June beetles" you might have seen under summer street lights.

Twenty-eight species are defined and clustered into four species complexes which makes the intraspecific variation clear and understandable. Two keys to species are provided, one using genitalic characters and one not.

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."

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