Daniel H. Janzen

University of the Sciences — United States

Agricultural and Biological Sciences · Life Sciences

109h-index54.3kcitations633works2.12yr avg
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Research Topics

Plant and animal studies(174), Forest Insect Ecology and Management(143), Lepidoptera: Biology and Taxonomy(131), Hymenoptera taxonomy and phylogeny(116), Insect-Plant Interactions and Control(109)

Publications630 total

A new genus and species of Neotropical gregarious braconine parasitoid (Hymenoptera: Braconidae) of a caterpillar (Lepidoptera: Hesperiidae)
The Catalogue of Life·2026Open Access
A revision of the parasitoid wasp genus Alphomelon Mason with the description of 30 new species (Hymenoptera, Braconidae)
The Catalogue of Life·2026Open Access
A new genus and a new species in the tribe Eryciini (Diptera, Tachinidae) from Area de Conservación Guanacaste in north-western Costa Rica
Biodiversity Data Journal·2025Open Access
Tachinid Flies (Diptera), Caterpillar Hosts (Lepidoptera) and Their Food Plants, Reared in Área de Conservación Guanacaste (ACG), Northwestern Costa Rica: Documenting Community Structure with the Aid of DNA Barcodes
Diversity·2025· 1 citedOpen Access
Caterpillar diet breadth in Área de Conservación Guanacaste, a large and diverse Neotropical wildland in northwestern Costa Rica: toxins, silica, aluminum, and sclerophylly
Frontiers in Ecology and Evolution·2025· 1 citedOpen Access
A revision of the parasitoid wasp genus Dolichogenidea Viereck (Hymenoptera, Braconidae) in the Neotropical region, with the description of 102 new species
ZooKeys·2025· 1 citedOpen Access
Ecology of Dry-Forest Wildland Insects in the Area de Conservación Guanacaste
2025
Integrative Taxonomy of Costa Rican Tetrigidae (Orthoptera) Reveals Eight New Species
Diversity·2025· 5 citedOpen Access
Discovery of the Old World genus Rogas Nees (Hymenoptera, Braconidae, Rogadinae) in the New World by DNA barcoding
Deutsche Entomologische Zeitschrift·2025Open Access
Endoparasitoid wasps of the genus Cubus (Hymenoptera, Ichneumonidae, Metopiinae) reared from caterpillars of Área de Conservación Guanacaste, Costa Rica
Zootaxa·2025
Cercle de feu : surveillance par satellite des indicateurs environnementaux
2025
Ring of Fire: satellite monitoring of environmental indicators
2025
Looking Into the Abyss—How Many Species of Biting Midges (Diptera: Ceratopogonidae) Are There? Their Remarkable Diversity in Costa Rica and Elsewhere
Zootaxa·2024
Forty-Five Years of Caterpillar Rearing in Area de Conservación Guanacaste (ACG) Northwestern Costa Rica: DNA Barcodes, BINs, and a First Description of Plant–Caterpillar–Ichneumonoid Interactions Detected
Diversity·2024· 5 citedOpen Access
Cryptic diversity of Leurus wasps (Hymenoptera: Ichneumonidae: Metopiinae), parasitoids of caterpillars in Area de Conservación Guanacaste, Costa Rica
Zootaxa·2024· 2 cited
Decoding Anotylus (Thomson 1859) Beetle Diversity: DNA and External Morphology Match in Área de Conservaciόn Guanacaste, Costa Rica
Diversity·2024· 1 citedOpen Access
Synopsis of the Castniidae (Lepidoptera) of Costa Rica
Zootaxa·2024· 1 citedOpen Access
New World Orphanostigma Guenée, 1854, including a new species from Costa Rica (Lepidoptera: Crambidae: Spilomelinae)
Zootaxa·2024· 1 citedOpen Access
Global arthropod beta-diversity is spatially and temporally structured by latitude
Communications Biology·2024· 18 citedOpen Access
Six in one: cryptic species and a new host record for Olixon Cameron (Rhopalosomatidae, Hymenoptera) revealed by DNA barcoding
Journal of Hymenoptera Research·2024· 3 citedOpen Access
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Frequent Co-authors

Winnie Hallwachs(14), Paul D. N. Hebert(10), Mehrdad Hajibabaei(8), John M. Burns(5), M. Alex Smith(5), Josephine Rodriguez(3), James B. Whitfield(3), Joel F. Gibson(3), Shadi Shokralla(3), Andrew Deans(2), Norman E. Woodley(2), David M. Wood(2), Marc E. Epstein(2), Axel Hausmann(2), Ian J. Kitching(2), Sujeevan Ratnasingham(2), M. Alma Solís(2), Susan J. Weller(2), Teresita M. Porter(2), Erin H. Penton(1)