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Ralph Holzenthal    
University of Minnesota
St. Paul, United States of America
http://www.insectcollection.umn.edu
22 articles by this author
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A new Ecuadorian species of the rare ...
Research Article
A new Ecuadorian species of the rare Neotropical caddisfly genus Amphoropsyche Holzenthal (Trichoptera, Leptoceridae)
    Ralph Holzenthal,     Blanca Ríos-Touma
10.3897/zookeys.640.10344
 13-12-2016
 Unique: 3137 | Total: 4910
 Reprint: € 6,00
 59-67
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A revision of the Neotropical caddisfly ...
Monograph
A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae)
    Robin E. Thomson,     Ralph W. Holzenthal
10.3897/zookeys.499.8360
 23-04-2015
 Unique: 5270 | Total: 8610
 Reprint: € 32,00
 1-100
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Review and redescription of species in ...
Research Article
Review and redescription of species in the Oecetis avara group, with the description of 15 new species (Trichoptera, Leptoceridae)
    Roger Blahnik,     Ralph Holzenthal
Part of: Review and redescription of species in the Oecetis avara group, with the description of 15 new species (Trichoptera, Leptoceridae)
10.3897/zookeys.376.6047
 03-02-2014
 Unique: 6488 | Total: 10037
 Reprint: € 32,00
 1-83
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Three new species of Atopsyche Banks ...
Research Article
Three new species of Atopsyche Banks (Trichoptera, Hydrobiosidae) from Brazil
    Allan Santos,     Ralph Holzenthal
10.3897/zookeys.207.3419
 11-07-2012
 Unique: 6055 | Total: 8436
 Reprint: € 7,00
 65-78
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New species and records of Hydroptilidae ...
Research Article
New species and records of Hydroptilidae (Trichoptera) from Venezuela
    Robin Thomson,     Ralph Holzenthal
10.3897/zookeys.185.2909
 23-04-2012
 Unique: 7608 | Total: 10811
 Reprint: € 9,00
 19-39
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New Neotropical species of Chimarra (Trichoptera, ...
Research Article
New Neotropical species of Chimarra (Trichoptera, Philopotamidae)
    Roger Blahnik,     Ralph Holzenthal
10.3897/zookeys.184.2911
 21-04-2012
 Unique: 7347 | Total: 10604
 Reprint: € 13,00
 1-33
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Revision of the Neotropical caddisfly ...
Research Article
Revision of the Neotropical caddisfly genus Itauara Müller, 1888 (Trichoptera, Glossosomatidae)
    Desiree Robertson,     Ralph Holzenthal
10.3897/zookeys.114.1405
 30-06-2011
 Unique: 8348 | Total: 11897
 Reprint: € 20,00
 41-100
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A new species of Amphoropsyche (Trichoptera, ...
Research Article
A new species of Amphoropsyche (Trichoptera, Leptoceridae) from Ecuador, with a key to the species in the genus
    Ralph Holzenthal,     Luis Ernesto Rázuri Gonzales
10.3897/zookeys.111.813
 22-06-2011
 Unique: 7105 | Total: 9834
 Reprint: € 5,00
 59-65
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Twenty-four new species of Polycentropus ...
Research Article
Twenty-four new species of Polycentropus (Trichoptera, Polycentropodidae) from Brazil
Steven Hamilton,     Ralph Holzenthal
10.3897/zookeys.76.790
 19-01-2011
 Unique: 7699 | Total: 10320
 Reprint: € 19,00
 1-53
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Systematics of the Neotropical caddisfly ...
Research Article
Systematics of the Neotropical caddisfly genus Notidobiella Schmid (Trichoptera, Sericostomatidae), with the description of 3 new species
    Ralph Holzenthal,     Roger Blahnik
10.3897/zookeys.71.791
 14-12-2010
 Unique: 8722 | Total: 12436
 Reprint: € 11,00
 23-47
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