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Books
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Tribe Hydrophilini

 
 
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Revision of the genus Cymbiodyta Bedel (Coleoptera: Hydrophilidae)
By A. Smetana
Memoirs of the Entomological Society of Canada, 93: 1-113., 1974
Abstract here.

The Aquatic Hydrophilidae (Coleoptera) of Mississippi
By Sam Testa III and Paul K. Lago
Department of Information Services, Division of Agriculture, Forestry, and Veterinary Medicine, Mississippi State University, 1994

Revision of the genus Hydrochara Berth. (Coleoptera: Hydrophilidae)
By Smetana, A.
Memoirs of the Entomological Society of Canada 112: 1-100, 1980

The genus Hydrophilus (Coleoptera: Hydrophilidae: Hydrophilina) in Mexico and Central America
By R. Arce-Péez and M. A. Morón
Revista Mexicana de Biodiversidad, 2013
Full text from journal in Spanish

Abstract
The taxonomy and precise distribution of the species of the genus Hydrophilus Geoffroy, 1762 from Mexico and Central America are reviewed, based on the morphological study of 499 adult specimens, descriptions and literature records. Hydrophilus (Dibolocelus) purpuracens Régimbart, 1901 is recorded for the first time for Mexico. Species with widest distribution are H.(H.) ensifer Brullé, 1837 cited from 5 countries and in the Antilles, and H.(H.) insularis Castelnau, 1840 cited from 4 countries and the Antilles.

Review of the Giant Water Scavenger Beetle Genus Hydrophilus Geoffroy (Coleoptera: Hydrophilidae) of the US and Canada.
By A. E. Z. Short and C. E. Mcintosh IV.
The Coleopterists Bulletin 68(2): 187-198., 2014
BioOne

A. E. Z. Short and C. E. Mcintosh IV. 2014. Review of the Giant Water Scavenger Beetle Genus Hydrophilus Geoffroy (Coleoptera: Hydrophilidae) of the United States and Canada. The Coleopterists Bulletin 68(2): 187-198.

Abstract

The species of the giant water scavenger beetle genus Hydrophilus Geoffroy occurring in the United States and Canada are reviewed.
Three species are recorded: Hydrophilus (s. str.) insularis Laporte de Castelnau, Hydrophilus (Dibolocelus) ovatus Gemminger and Harold, and Hydrophilus (s. str.) triangularis Say.

Molecular phylogeny, evolution, and classification of the Hydrophilidae (Coleoptera).
By Short A.E.Z. & Fikacek M.
Systematic Entomology 38: 723-​752., 2013
Full PDF

Short A.E.Z. & Fikacek M. 2013. Molecular phylogeny, evolution, and classification of the Hydrophilidae (Coleoptera). Systematic Entomology 38: 723-​752.

Abstract. The phylogeny and evolutionary history of the water scavenger beetles (Coleoptera: Hydrophilidae) are inferred from comprehensive analyses of DNA sequence data from the mitochondrial genes COI, COII and 16S and the nuclear genes 18S, 28S and arginine kinase. Bayesian and maximum parsimony analyses included 151 taxa, representing all subfamilies, tribes and subtribes that have ever been proposed in the family, as well as representatives of the hydrophiloid families Helophoridae, Hydrochidae, Spercheidae, Epimetopidae and Georissidae. The resulting well-supported trees strongly disagree with prior classifications of the Hydrophilidae, suggesting that the smaller subfamilies (Horelophinae, Horelophopsinae and Sphaeridiinae) are derived from within the larger Hydrophilinae. The existing tribal classification is more compatible with our results, but many significant differences are evident. Here, we present a new classification of the Hydrophilidae comprising 6 subfamilies and 12 tribes. Each subfamily and tribe is reviewed in detail with (i) a morphological diagnosis, including known or putative morphological synapomorphies, (ii) its taxonomic circumscription, including genera not included in our analyses, and (iii) a review of its general biology and geographic distribution. A new identification key to subfamily and tribe based on adult morphology is also provided.

The Hydrophilinae of Delaware (Coleoptera: Hydrophilidae)
By Short, A.E.Z.
The Coleopterists Bulletin, 58: 598-599, 2004
52 species recorded, 33 of which are newly recorded.

Review of the Family Hydrophilidae of Canada and Alaska
By Ales Smetana
Entomological Society of Canada, 1988
Citation:
Smetana, A. 1988. Review of the Family Hydrophilidae of Canada and Alaska (Coleoptera). Mem. Ent. Soc. Can. 142: 1-316.

Available online ($15 pay per view for non-members) at NRC Research Press:
http://pubservices.nrc-cnrc.ca/rp-ps/inDetail.jsp?jcode=entm&lang=eng&vol=120&is=142

 
 
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