Specialization in Geographic Information Systems
Universidad de Manizales.
About Me
I’m a Colombian arachnologist and entomologist. My work has focused on arachnid taxonomy and the study of Neotropical species assemblages in the context of global change.
Education
Academic Training
M.Sc. in Environmental Sciences
Universidad de Cartagena. Thesis: Temporal and spatial variation of taxonomic diversity and distribution patterns of Laniatores harvestmen (Arachnida) in tropical dry forest fragments of Bolívar, Colombia.
B.Sc. in Biology
Universidad de Cartagena. Undergraduate thesis on the assemblage dynamics of diurnal Lepidoptera visiting Zinnia elegans in Arjona, Bolívar, Colombia.
Research Lines
Taxonomy
Arachnids, especially Opiliones and related Neotropical lineages.
Assemblage Ecology
Insects and arachnids in tropical dry forest, agroecosystems, and fragmented landscapes.
EcoEvo
Insects and arachnids studied through phylogeography, morphometrics, spatial analysis, and genomics.
Scientific Publications
Quintana-Canabal, A., Ahumada-C., D., Guevara-Rincón, L., García-Bayona, C., Núñez-López, L., Hernández-Martelo, J., Pérez, L. M., & Benítez, H. A. Exploring shape and size variation in Schizodon fasciatus across the Catatumbo River Basin, Colombia. Zoomorphology, 144(3), Article 59. doi.org/10.1007/s00435-025-00746-y
Núñez-López, L. Y., Ahumada-C., D., Guevara-Rincón, L., Quintana-Canabal, A., Guzmán-Soto, C., García-Bayona, C., Hernández-Martelo, J., & Benítez, H. Evaluación del stock fenotípico de Potamorhina laticeps in the Catatumbo River basin. Limnetica, 45(2). doi.org/10.23818/limn.45.15
Villarreal, O., Ahumada-C., D., & Flórez. The genus Stygnus in Colombia: a new species, geographic records and distributional updates from the Amazon basin. European Journal of Taxonomy, 970, 203-229. doi.org/10.5852/ejt.2024.970.2759
Villarreal, O., Ahumada-C., D., & Navas-S., G. Exploring the diversity of Eutimesius: new species and records from Colombia and Venezuela. Zoosystematics and Evolution, 100(3), 803-820. doi.org/10.3897/zse.100.120207
Villarreal, O., Ahumada-C., D., & Delgado-Santa, L. Mapping the distribution of armored harvestmen in Colombia. ZooKeys, 1175, 223-284. doi.org/10.3897/zookeys.1175.102485
Kury, A. B., García, A. F., & Ahumada-C., D. A new genus of Zalmoxoidea from Colombia. Journal of Arachnology, 51(1), 37-45. doi.org/10.1636/JoA-S-21-070
Hernández, J., Villalobos-Leiva, A., Bermúdez, A., Ahumada-C., D., Suazo, M., Correa, M., Díaz, A., & Benítez, H. Ecomorphology and morphological disparity of Caquetaia kraussii. Animals, 12, 3438. doi.org/10.3390/ani12233438
Ahumada-C., D., Borja-Arrieta, R., Carpio-Díaz, Y. M., Sandoval-B., A., Ríos, G., Jotty, K., & Gómez-Estrada, H. Butterflies of the Islas del Rosario archipelago. Boletín Científico Centro de Museos Museo de Historia Natural, 26(2), 179-193. doi.org/10.17151/bccm.2022.26.2.9
Ahumada-C., D., Medrano, M., & Segovia-Paccini, A. Redescription and geographic distribution of the type species of Eucynorta. Studies on Neotropical Fauna and Environment. doi.org/10.1080/01650521.2022.2076964
Hernández, J., Villalobos-Leiva, A., Bermúdez, A., Ahumada-C., D., Suazo, M., & Benítez, H. Interlocation sexual shape dimorphism in Caquetaia kraussii. Fishes, 7, 146. doi.org/10.3390/fishes7040146
García, A. F., & Ahumada-C., D. Taxonomic notes on Barinas: a new generic synonym, a new cave-dwelling species and new records from Colombia. Evolutionary Systematics, 6, 1-7. doi.org/10.3897/evolsyst.6.78123
Bermúdez-Tobón, A., Ramírez-Restrepo, J., Ahumada-C., D., Vides-Aviléz, H., & Navas-S., G. Estado previo del conocimiento de las especies silvestres del Distrito de Cartagena de Indias y su entorno ambiental. In Especies silvestres que nos acompañan en el Distrito de Cartagena de Indias, 19-49. ISBN: 978-958-5439-47-4.
Botero, J. P., Ahumada-C., D., & Navas, G. A new Colombian species of Phaea Newman, 1840 and new geographical records in Cerambycinae and Lamiinae (Coleoptera: Cerambycidae) from the Colombian Caribbean. The Coleopterists Bulletin, 75(2), 415-421. doi.org/10.1649/0010-065X-75.2.415
Ahumada-C., D., García, A. F., & Navas-S., G. R. The spiny agoristenid genus Barinas, with the description of a new species from the Colombian Caribbean. Arachnology, 18(6), 632-638. doi.org/10.13156/arac.2020.18.6.632
Ahumada-C., D., Segovia-Paccini, A., Ortega-Echeverría, C., Andrade-C., M. G., & Navas-S., G. R. Distribution extension of three common diurnal butterflies from the Colombian Caribbean. Intrópica, 15(1), 55-58. doi.org/10.21676/23897864.3422
Ahumada-C., D., Segovia-Paccini, A., & Navas-S., G. R. Butterflies of the Montes de María sub-region. Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, 43(168), 521-530.
García, A. F., Martínez, L., & Ahumada-C., D. A new species of the armored spider genus Caraimatta from Colombia. Zootaxa, 4619(1), 168-176.
Ahumada-C., D., Segovia-Paccini, A., Zapata, W., Pérez, L., & González-Meza, H. Guía de Arácnidos del Jardín Botánico Guillermo Piñeres. Field Museum Field Guides.
Segovia-Paccini, A., Ahumada-C., D., & Moreno-González, J. A. A remarkable short-tailed whip-scorpion species of Piaroa from the Colombian Caribbean. Zootaxa, 4500(1), 91-103.
García, A. F., & Ahumada-C., D. Completing the puzzle: another species of Rhaucus from Colombia. Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, 42(163), 200-206.
Taxonomy
Described Species
Twelve described species and one described genus. Images correspond to figures from the original taxonomic articles or their public treatment pages.
Piaroa turbacoensis
Authors: Segovia-Paccini, Ahumada-C. & Moreno-González, 2018
Schizomida · Hubbardiidae · Zootaxa
Caraimatta brescoviti
Authors: García, Martínez & Ahumada-C., 2019
Araneae · Tetrablemmidae · Zootaxa
Barinas piragua
Authors: Ahumada-C., García & Navas-S., 2020
Opiliones · Agoristenidae · Arachnology
Barinas guanenta
Authors: García & Ahumada-C., 2022
Opiliones · Agoristenidae · Evolutionary Systematics
Hevelia crucis
Authors: Kury, García & Ahumada-C., 2023
Opiliones · Zalmoxoidea · Journal of Arachnology
Stygnus apaporis
Authors: Villarreal, Ahumada-C. & Flórez, 2024
Opiliones · Stygnidae · European Journal of Taxonomy
Phalangodus andresi
Authors: Villarreal, Ahumada-C. & Delgado-Santa, 2023
Opiliones · Laniatores · ZooKeys
Ventrifurca phallaina
Authors: Villarreal, Ahumada-C. & Delgado-Santa, 2023
Opiliones · Laniatores · ZooKeys
Ampycella fortunata
Authors: Villarreal, Ahumada-C. & Delgado-Santa, 2023
Opiliones · Laniatores · ZooKeys
Eutimesius aroa
Authors: Villarreal, Ahumada-C. & Navas-S., 2024
Opiliones · Stygnidae · Zoosystematics and Evolution
Eutimesius canoabo
Authors: Villarreal, Ahumada-C. & Navas-S., 2024
Opiliones · Stygnidae · Zoosystematics and Evolution
Eutimesius guaichia
Authors: Villarreal, Ahumada-C. & Navas-S., 2024
Opiliones · Stygnidae · Zoosystematics and Evolution
Genus Hevelia
Authors: Kury, García & Ahumada-C., 2023
Opiliones · Zalmoxoidea · Journal of Arachnology
Speaker activity
Selected Presentations and Conferences
2025 · 52nd Colombian Entomology Congress
- Landscape transformation and temporal variation: response of butterflies (Papilionoidea) in Montes de María.
- Butterflies (Lepidoptera: Papilionoidea) in agroecosystems and tropical dry forest remnants of Turbaco, Bolívar, Colombia.
2024 · VII Latin American Arachnology Congress
- Environmental drivers of Laniatores assemblages (Opiliones: Arachnida) in tropical dry forest.
2024 · 51st Colombian Entomology Congress
- Seasonal diversity of Laniatores harvestmen in a tropical dry forest fragment of the Colombian Caribbean.
- Spatial variation of taxonomic diversity and distribution of Laniatores harvestmen (Arachnida) in tropical dry forest fragments of Bolívar, Colombia.
- Butterflies (Lepidoptera: Papilionoidea) associated with tropical dry forest and grassland cover in Montes de María, Colombia.
- Spatio-temporal variation of wild bees (Hymenoptera: Apoidea) in the “Los Titíes de San Juan” Civil Society Reserve, Montes de María, Colombian Caribbean.
2023 · VI Colombian Zoology Congress
- Mapping the distribution of Laniatores harvestmen in Colombia: updated species list, taxonomic contributions, and diversity in protected areas.
- Temporal variation of butterfly assemblages (Lepidoptera: Papilionoidea) in tropical dry forest and grassland ecosystems of Montes de María, Colombia.
2022 · XI Venezuelan Speleology Congress
- Laniatores harvestmen associated with caves in Andean countries: record of four undescribed species.
2020 · VI Latin American Arachnology Congress
- Diversity of the genus Stygnus Perty, 1833 (Opiliones: Stygnidae) in Colombia and new records for the Amazon region.
2018 · V Colombian Zoology Congress
- First record of six families of harvestmen (Arachnida) in the department of Bolívar, Colombia.
- New species of Stygnomma (Opiliones, Stygnommatidae) from the Colombian Caribbean.
- First record of the genus Barinas (Opiliones, Agoristenidae) in Colombia, with the description of a new species from the Colombian Caribbean.
- Lepidoptera (Hesperioidea and Papilionoidea) of the Rosario Coral Islands, Bolívar: a case study on Isla Grande.
2016 · 43rd SOCOLEN Congress
- Advances in the knowledge of Amblypygi fauna in Colombia.
- Diversity of diurnal Lepidoptera in tropical dry forest fragments in Montes de María, Bolívar.
- An approach to the harvestmen fauna of the Guillermo Piñeres Botanical Garden, Turbaco, Bolívar.
- Arachnids of the tropical dry forest of the Colombian Caribbean: a contribution from Montes de María, Bolívar.
- First contributions to the knowledge of arachnid diversity in the department of Bolívar.
Recognition
Awards and Distinctions
2025. National Entomology Award “Hernán Alcaraz Viecco”.
2025. Innovative Teaching Award, Marine Biology Program, Universidad del Sinú.
2024. Meritorious master's thesis, Universidad de Cartagena.
2020. First place for Best Poster in Systematics/Biogeography, VI Latin American Arachnology Congress.
2020. Research visit fellowship, Universidade Federal do Rio de Janeiro.
2020. First place, National Day of Equality and Environment Award, Fundación Equidad Seguros.
2020. Laureate undergraduate thesis, Universidad de Cartagena.
2015. Research visit fellowship, Smithsonian Institution National Museum of Natural History.
2014. Second place for best presentation, Universidad de Cartagena Scientific Convention.
Research groups
Research Networks
- Grupo de Investigación Hidrobiología, Universidad de Cartagena.
- Grupo GIBEAM, Universidad del Sinú.
- Laboratorio de Ecología y Morfometría Evolutiva, Universidad Andrés Bello.
- Grupo Colombiano de Aracnología.
Scientific associations
Professional Memberships
- Asociación Colombiana de Zoología.
- Asociación Colombiana de Entomología.
Online profiles & media
Selected Pages Featuring My Work
OmniPaper
Author profile focused on Opiliones taxonomic literature, including a biography and curated works on harvestmen.
EME Lab Morphoshape
Laboratory profile as a PhD student in Conservation Medicine at Universidad Andrés Bello.
ResearchGate
Research profile with publications, reads, citations, and areas of expertise.
Wikispecies
Listed among arachnologists and lepidopterists in the biodiversity taxonomy community.
Contact
Let’s Connect
For collaborations, academic inquiries, or biodiversity research projects, please write to:
opiliodan@outlook.com