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Author

Daniel Janzen

University of Pennsylvania , Philadelphia, United States of America

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17 articles by this author

1 2

A revision of Dolichogenidea (Hymenoptera, Braconidae, Microgastrinae) with the second mediotergite broadly rectangular from Area de Conservación Guanacaste, Costa Rica

Jose Fernandez-Triana, Caroline Boudreault, Tanya Dapkey, M. Alex Smith, Winnie Hallwachs, Daniel Janzen

Research Article

doi: 10.3897/zookeys.835.33440

04-04-2019

Unique: 484 | Total: 658

87-123

Reprint: € 11,20

A review of Leucosigma Druce, 1908: a newly discovered case of fern-feeding and descriptions of three new species (Lepidoptera, Noctuidae)

Paul Z. Goldstein, Daniel H. Janzen, Benjamin Proshek, Tanya Dapkey, Winnie Hallwachs

Research Article

doi: 10.3897/zookeys.788.21222

08-10-2018

Unique: 626 | Total: 903

87-133

Reprint: € 13,40

Review of Lophomyra Schaus, 1911 (Lepidoptera, Noctuidae): a new combination and re-descriptions of species newly associated with ferns (Polypodiaceae)

Paul Z. Goldstein, Daniel H. Janzen, Benjamin Proshek, Tanya Dapkey, Winnie Hallwachs

Research Article

doi: 10.3897/zookeys.788.21235

08-10-2018

Unique: 660 | Total: 965

135-165

Reprint: € 9,60

Revision of the species of Lytopylus from Area de Conservación Guanacaste, northwestern Costa Rica (Hymenoptera, Braconidae, Agathidinae)

Ilgoo Kang, Eric G. Chapman, Daniel H. Janzen, Winnie Hallwachs, Tanya Dapkey, M. Alex Smith, Michael J. Sharkey

Research Article

doi: 10.3897/zookeys.721.20287

12-12-2017

Unique: 1218 | Total: 1974

93-158

Reprint: € 19,00

Integrative taxonomy of New World Euplectrus Westwood (Hymenoptera, Eulophidae), with focus on 55 new species from Area de Conservación Guanacaste, northwestern Costa Rica

Christer Hansson, M. Alex Smith, Daniel H. Janzen, Winnie Hallwachs

Monograph

doi: 10.3897/zookeys.485.9124

10-03-2015

Unique: 2288 | Total: 4164

1-236

Reprint: € 55,00

A synopsis of the genus Ethmia Hübner in Costa Rica: biology, distribution, and description of 22 new species (Lepidoptera, Gelechioidea, Depressariidae, Ethmiinae), with emphasis on the 42 species known from Área de Conservación Guanacaste

Eugenie Phillips-Rodríguez, Jerry A. Powell, Winnie Hallwachs, Daniel H. Janzen

Monograph

doi: 10.3897/zookeys.461.8377

09-12-2014

Unique: 1830 | Total: 3113

1-86

Reprint: € 28,00

Revision of the genus Pseudapanteles (Hymenoptera, Braconidae, Microgastrinae), with emphasis on the species in Area de Conservación Guanacaste, northwestern Costa Rica

Jose Fernandez-Triana, Daniel Janzen, Winnie Hallwachs, James Whitfield, M. Alex Smith, Robert Kula

Monograph

doi: 10.3897/zookeys.446.8195

14-10-2014

Unique: 1990 | Total: 3750

1-82

Reprint: € 28,00

Four new species of Symmerista Hübner, 1816 (Notodontidae, Nystaleinae) from Costa Rica

Isidro Chacón, Daniel Janzen, Winnie Hallwachs

Research Article

doi: 10.3897/zookeys.421.6342

27-06-2014

Unique: 2195 | Total: 3712

39-63

Reprint: € 8,40

Review of Apanteles sensu stricto (Hymenoptera, Braconidae, Microgastrinae) from Area de Conservación Guanacaste, northwestern Costa Rica, with keys to all described species from Mesoamerica

Jose Fernandez-Triana, James Whitfield, Josephine Rodriguez, M. Alex Smith, Daniel Janzen, Winnie Hallwachs, Mehrdad Hajibabaei, John Burns, Alma Solis, John Brown, Sophie Cardinal, Henri Goulet, Paul Hebert

Monograph

doi: 10.3897/zookeys.383.6418

24-02-2014

Unique: 7280 | Total: 11253

1-565

Reprint: € 110,00

A review of the New World species of the parasitoid wasp Iconella (Hymenoptera, Braconidae, Microgastrinae)

Jose Fernandez-Triana, Sophie Cardinal, James Whitfield, Winnie Hallwachs, M. Alex Smith, Daniel Janzen

Research Article

doi: 10.3897/zookeys.321.5160

07-08-2013

Unique: 3467 | Total: 4990

65-87

Reprint: € 7,20

A food plant specialist in Sparganothini: A new genus and species from Costa Rica (Lepidoptera, Tortricidae)

John Brown, Daniel Janzen, Winnie Hallwachs

Research Article

doi: 10.3897/zookeys.303.5230

21-05-2013

Unique: 3259 | Total: 4620

53-63

Reprint: € 3,60

Three new species in the genus Wilkinsonellus (Braconidae, Microgastrinae) from the Neotropics, and the first host record for the genus

Diana Arias, James Whitfield, Daniel Janzen, Winnie Hallwachs

Research Article

doi: 10.3897/zookeys.302.4962

20-05-2013

Unique: 3082 | Total: 4754

79-95

Reprint: € 5,90

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