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Ralph Holzenthal
University of Minnesota
St. Paul, United States of America
http://www.insectcollection.umn.edu
17 articles by this author
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1
2
Research Article
A new genus and new species of Ecuadorian Philopotamidae (Trichoptera)
Ralph W. Holzenthal
,
Roger J. Blahnik
,
Blanca Ríos-Touma
10.3897/zookeys.1117.86984
11-08-2022
Unique: 1166 | Total: 1593
| Access Period:
Reprint: € 11,10
95-122
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Research Article
A preliminary molecular phylogeny of the family Hydroptilidae (Trichoptera): an exploration of combined targeted enrichment data and legacy sequence data
Robin E. Thomson
,
Paul B. Frandsen
,
Ralph W. Holzenthal
Part of: Special Issue in Honor of Ralph W. Holzenthal for a Lifelong Contribution to Trichoptera Systematics
10.3897/zookeys.1111.85361
11-07-2022
Unique: 1473 | Total: 2083
| Access Period:
Reprint: € 9,90
467-488
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Research Article
Checklist of the caddisflies (Insecta, Trichoptera) of the Upper Midwest region of the United States
David C. Houghton
,
R. Edward DeWalt
,
Todd Hubbard
,
Kurt L. Schmude
,
Jeffrey J. Dimick
,
Ralph W. Holzenthal
,
Roger J. Blahnik
,
James L. Snitgen
Part of: Special Issue in Honor of Ralph W. Holzenthal for a Lifelong Contribution to Trichoptera Systematics
10.3897/zookeys.1111.72345
11-07-2022
Unique: 1289 | Total: 1868
| Access Period:
Reprint: € 7,50
287-300
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Research Article
New
Atanatolica
species from Ecuador (Trichoptera, Leptoceridae)
Ernesto Rázuri-Gonzales
,
Ralph W. Holzenthal
,
Blanca Ríos-Touma
10.3897/zookeys.793.26712
29-10-2018
Unique: 2484 | Total: 3778
| Access Period:
Reprint: € 8,70
97-114
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Research Article
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
10.3897/zookeys.780.26977
08-08-2018
Unique: 2377 | Total: 3639
| Access Period:
Reprint: € 8,70
89-108
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Research Article
Two new species of the rare Neotropical caddisfly genus
Amphoropsyche
Holzenthal (Trichoptera, Leptoceridae)
Ernesto Rázuri-Gonzales
,
Ralph W. Holzenthal
,
Blanca Ríos-Touma
10.3897/zookeys.707.20759
10-10-2017
Unique: 2506 | Total: 3749
| Access Period:
Reprint: € 6,30
63-72
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Catalogue
Catalog of the Neotropical Trichoptera (Caddisflies)
Ralph W. Holzenthal
,
Adolfo R. Calor
Part of: Catalog of the Neotropical Trichoptera (Caddisflies)
10.3897/zookeys.654.9516
10-02-2017
Unique: 7546 | Total: 13426
| Access Period:
Reprint: € 182,70
1-566
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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: 2500 | Total: 4123
| Access Period:
Reprint: € 6,30
59-67
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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: 4349 | Total: 7311
| Access Period:
Reprint: € 32,70
1-100
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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: 5469 | Total: 8685
| Access Period:
Reprint: € 32,70
1-83
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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: 5379 | Total: 7557
| Access Period:
Reprint: € 7,50
65-78
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Research Article
New species and records of Hydroptilidae (Trichoptera) from Venezuela
Robin Thomson
,
Ralph Holzenthal
10.3897/zookeys.185.2909
23-04-2012
Unique: 6874 | Total: 9831
| Access Period:
Reprint: € 9,90
19-39
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1
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