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Author

Daniel Janzen

University of Pennsylvania , Philadelphia, United States of America

More articles in: CrossRef | PubMed | Google Scholar

7 articles by this author

Research Article

Two new reared species of Heteropteron Brullé (Hymenoptera, Braconidae, Cardiochilinae) from northwest Costa Rica, with the first definitive host records for the genus

Elizabeth Zhu Dabek, James B. Whitfield, Winifred Hallwachs, Daniel H. Janzen

10.3897/jhr.77.50577

29-06-2020

Unique: 375 | Total: 507

Reprint: € 4,80

151-165

Research Article

Synopsis of New World Sigalphinae (Hymenoptera, Braconidae) with the description of two new species and a key to genera

Michael J. Sharkey, Angélica Maria Penteado-Dias, M. Alex Smith, Winnie Hallwachs, Daniel Janzen

10.3897/jhr.68.30131

25-02-2019

Unique: 1019 | Total: 1655

Reprint: € 3,60

1-11

Research Article

Revision of the genus Promicrogaster (Hymenoptera, Braconidae, Microgastrinae) from Area de Conservación Guanacaste, Costa Rica, with a key to all species previously described from Mesoamerica

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

10.3897/JHR.50.8220

27-06-2016

Unique: 2499 | Total: 4823

Reprint: € 15,60

25-79

Research Article

Revision of the neotropical genus Sendaphne Nixon (Hymenoptera, Braconidae, Microgastrinae)

Jose L. Fernandez-Triana, James B. Whitfield, M. Alex Smith, Winnie Hallwachs, Daniel H. Janzen

10.3897/JHR.41.8586

22-12-2014

Unique: 2176 | Total: 3887

Reprint: € 9,60

1-29

Research Article

Review of the Neotropical genus Prasmodon (Hymenoptera, Braconidae, Microgastrinae), with emphasis on species from Area de Conservación Guanacaste, northwestern Costa Rica

Jose Fernandez-Triana, James Whitfield, M. Alex Smith, Yves Braet, Winnie Hallwachs, Daniel Janzen

10.3897/jhr.37.6748

28-03-2014

Unique: 3451 | Total: 6302

Reprint: € 14,50

1-52

Research Article

Food plants and life histories of sawflies of the families Argidae and Tenthredinidae (Hymenoptera) in Costa Rica, a supplement

David Smith, Daniel Janzen, Winnie Hallwachs

10.3897/jhr.35.5496

25-10-2013

Unique: 4291 | Total: 9336

Reprint: € 4,80

17-31

Research Article

Hyperparasitoid wasps (Hymenoptera, Trigonalidae) reared from dry forest and rain forest caterpillars of Area de Conservación Guanacaste, Costa Rica

David Smith, Daniel Janzen, Winnie Hallwachs, M. Alex Smith

10.3897/jhr.29.3233

15-10-2012

Unique: 6008 | Total: 8700

Reprint: € 8,40

119-144

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