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Author
Daniel Janzen
University of Pennsylvania , Philadelphia, United States of America
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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: 617 | Total: 960
Reprint: € 4,80
151-165
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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: 1226 | Total: 1994
Reprint: € 3,60
1-11
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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: 2721 | Total: 5294
Reprint: € 15,60
25-79
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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: 2377 | Total: 4238
Reprint: € 9,60
1-29
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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: 3663 | Total: 6721
Reprint: € 14,50
1-52
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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: 4483 | Total: 9661
Reprint: € 4,80
17-31
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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: 6219 | Total: 9130
Reprint: € 8,40
119-144
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