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Daniel H. Janzen

Observed names: Janzen, Daniel, Janzen, Daniel H.
Observed institution: University of Pennsylvania
ORCID: 0000-0002-7335-5107
Observed ORCID: 0000-0002-7335-5107
OpenAlex ID: A5126147262
Revision of the Pseudohemihyalea' species from Costa Rica (Erebidae Arctiinae Arctiini Phaegopterina) with description of new taxa, as well as redescription and delimitation of species previously described in the genus and present in the country.
2026 · Espinoza-Sanabria, Bernardo A., Laguerre, Michel, et al. · Faunitaxys
Food plants and life histories of sawflies of the families Argidae and Tenthredinidae (Hymenoptera) in Costa Rica, a supplement
2026 · Smith, David R., Janzen, Daniel H., et al. · The Catalogue of Life
Review of the Neotropical genus Prasmodon (Hymenoptera, Braconidae, Microgastrinae), with emphasis on species from Area de Conservacion Guanacaste, northwestern Costa Rica
2026 · Fernandez-Triana, Jose L., Whitfield, James B., et al. · The Catalogue of Life
Identity of the ailanthus webworm moth (Lepidoptera, Yponomeutidae), a complex of two species: evidence from DNA barcoding, morphology and ecology
2026 · Wilson, John, Landry, Jean-François, et al. · The Catalogue of Life
Discovery of the Old World genus Rogas Nees (Hymenoptera, Braconidae, Rogadinae) in the New World by DNA barcoding
2026 · Quicke, Donald L. J., Sharkey, Michael J., et al. · The Catalogue of Life
Synopsis of the Castniidae (Lepidoptera) of Costa Rica
2026 · García-Díaz, José De Jesús, Espinoza-Sanabria, Bernardo A., et al. · The Catalogue of Life
Minimalist revision and description of 403 new species in 11 subfamilies of Costa Rican braconid parasitoid wasps, including host records for 219 species
2026 · Sharkey, Michael J., Janzen, Daniel H., et al. · The Catalogue of Life
Endoparasitoid wasps of the genus Cubus (Hymenoptera, Ichneumonidae, Metopiinae) reared from caterpillars of Área de Conservación Guanacaste, Costa Rica
2026 · Zuñiga, Ronald, Valerio, Alejandro A., et al. · The Catalogue of Life
Revision of the genus Promicrogaster (Hymenoptera, Braconidae, Microgastrinae) from Area de Conservacion Guanacaste, Costa Rica, with a key to all species previously described from Mesoamerica
2026 · Fernandez-Triana, Jose, Boudreault, Caroline, et al. · The Catalogue of Life
Hyperparasitoid wasps (Hymenoptera, Trigonalidae) reared from dry forest and rain forest caterpillars of Area de Conservacion Guanacaste, Costa Rica
2026 · Smith, David R., Janzen, Daniel H., et al. · The Catalogue of Life
Anurocampa (Lepidoptera: Notodontidae): two new species, systematics and immature stages
2026 · Orlandin, Elton, St Laurent, Ryan A., et al. · The Catalogue of Life
A revision of the parasitoid wasp genus Dolichogenidea Viereck (Hymenoptera, Braconidae) in the Neotropical region, with the description of 102 new species
2026 · Fernandez-Triana, Jose L., Boudreault, Caroline, et al. · The Catalogue of Life
New World Orphanostigma Guenée, 1854, including a new species from Costa Rica (Lepidoptera: Crambidae: Spilomelinae)
2026 · Solis, M. Alma, Cock, Matthew J. W., et al. · The Catalogue of Life
Cryptic diversity of Leurus wasps (Hymenoptera: Ichneumonidae: Metopiinae), parasitoids of caterpillars in Area de Conservación Guanacaste, Costa Rica
2026 · Zuñiga, Ronald, Valerio, Alejandro A., et al. · The Catalogue of Life
Two new reared species of Heteropteron Brulle (Hymenoptera, Braconidae, Cardiochilinae) from northwest Costa Rica, with the first definitive host records for the genus
2026 · Dabek, Elizabeth Zhu, Whitfield, James B., et al. · The Catalogue of Life
New species in Rejectaria Guenée (Lepidoptera: Erebidae: Herminiinae) with a focus on the Cyclanthaceae-feeders
2026 · Goldstein, Paul Z., Janzen, Daniel H., et al. · The Catalogue of Life
Works count: 97
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