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Author

Ralph Holzenthal

University of Minnesota, St. Paul, United States of America

http://www.insectcollection.umn.edu

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14 articles by this author

1 2

New Atanatolica species from Ecuador (Trichoptera, Leptoceridae)

Ernesto Rázuri-Gonzales, Ralph W. Holzenthal, Blanca Ríos-Touma

Research Article

doi: 10.3897/zookeys.793.26712

29-10-2018

Unique: 630 | Total: 978

97-114

Reprint: € 5,90

New species and a new genus of Philopotamidae from the Andes of Bolivia and Ecuador (Insecta, Trichoptera)

Ralph W. Holzenthal, Roger J. Blahnik, Blanca Ríos-Touma

Research Article

doi: 10.3897/zookeys.780.26977

08-08-2018

Unique: 637 | Total: 1009

89-108

Reprint: € 5,90

Two new species of the rare Neotropical caddisfly genus Amphoropsyche Holzenthal (Trichoptera, Leptoceridae)

Ernesto Rázuri-Gonzales, Ralph W. Holzenthal, Blanca Ríos-Touma

Research Article

doi: 10.3897/zookeys.707.20759

10-10-2017

Unique: 939 | Total: 1433

63-72

Reprint: € 3,60

Catalog of the Neotropical Trichoptera (Caddisflies)

Ralph W. Holzenthal, Adolfo R. Calor

Catalogue

doi: 10.3897/zookeys.654.9516

10-02-2017

Unique: 3293 | Total: 5754

1-566

Reprint: € 110,00

A new Ecuadorian species of the rare Neotropical caddisfly genus Amphoropsyche Holzenthal (Trichoptera, Leptoceridae)

Ralph Holzenthal, Blanca Ríos-Touma

Research Article

doi: 10.3897/zookeys.640.10344

13-12-2016

Unique: 1118 | Total: 1967

59-67

Reprint: € 3,60

A revision of the Neotropical caddisfly genus Leucotrichia Mosely, 1934 (Hydroptilidae, Leucotrichiinae)

Robin E. Thomson, Ralph W. Holzenthal

Monograph

doi: 10.3897/zookeys.499.8360

23-04-2015

Unique: 2018 | Total: 3528

1-100

Reprint: € 28,00

Review and redescription of species in the Oecetis avara group, with the description of 15 new species (Trichoptera, Leptoceridae)

Roger Blahnik, Ralph Holzenthal

Research Article

doi: 10.3897/zookeys.376.6047

03-02-2014

Unique: 3222 | Total: 4927

1-83

Reprint: € 28,00

Three new species of Atopsyche Banks (Trichoptera, Hydrobiosidae) from Brazil

Allan Santos, Ralph Holzenthal

Research Article

doi: 10.3897/zookeys.207.3419

11-07-2012

Unique: 3847 | Total: 5122

65-78

Reprint: € 4,80

New species and records of Hydroptilidae (Trichoptera) from Venezuela

Robin Thomson, Ralph Holzenthal

Research Article

doi: 10.3897/zookeys.185.2909

23-04-2012

Unique: 4988 | Total: 6744

19-39

Reprint: € 7,20

New Neotropical species of Chimarra (Trichoptera, Philopotamidae)

Roger Blahnik, Ralph Holzenthal

Research Article

doi: 10.3897/zookeys.184.2911

21-04-2012

Unique: 4449 | Total: 6144

1-33

Reprint: € 10,50

Revision of the Neotropical caddisfly genus Itauara Müller, 1888 (Trichoptera, Glossosomatidae)

Desiree Robertson, Ralph Holzenthal

Research Article

doi: 10.3897/zookeys.114.1405

30-06-2011

Unique: 5264 | Total: 6907

41-100

Reprint: € 16,80

A new species of Amphoropsyche (Trichoptera, Leptoceridae) from Ecuador, with a key to the species in the genus

Ralph Holzenthal, Luis Ernesto Rázuri Gonzales

Research Article

doi: 10.3897/zookeys.111.813

22-06-2011

Unique: 4850 | Total: 6327

59-65

Reprint: € 2,60

1 2

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