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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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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: 161 | Total: 199
| Access Period:
Reprint: € 8,00
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: 330 | Total: 423
| Access Period:
Reprint: € 7,00
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: 251 | Total: 333
| Access Period:
Reprint: € 4,00
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: 1921 | Total: 3038
| Access Period:
Reprint: € 5,00
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: 1864 | Total: 2969
| Access Period:
Reprint: € 5,00
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: 1992 | Total: 3092
| Access Period:
Reprint: € 3,00
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: 6503 | Total: 11774
| Access Period:
Reprint: € 110,00
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: 2029 | Total: 3487
| Access Period:
Reprint: € 3,00
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: 3584 | Total: 6302
| Access Period:
Reprint: € 28,00
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: 4667 | Total: 7533
| Access Period:
Reprint: € 28,00
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: 4903 | Total: 6938
| Access Period:
Reprint: € 4,00
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: 6286 | Total: 9045
| Access Period:
Reprint: € 7,00
19-39
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