Alexander Pulgarin Diaz
Doctoral Researcher
Data-driven research supporting strategic decisions
School of Forest Sciences, Faculty of Science, Forestry and Technology
[email protected] | +358 50 471 8055
Unlocking Insights from Complex Data. I am a researcher who moves beyond the data, transforming complex information into strategic solutions that drive evidence-based decisions. With a strong background in analytical methods and developing predictive models, I focus on optimizing outcomes and creating impactful, data-driven solutions for real-world challenges.
Research groups
Other published papers
• LÓPEZ-GALÉ, Y., CARRASCAL-PÉREZ, F., PULGARÍN D., J.A., BURBANO-FIGUEROA, O., ARCILA C., A.M. 2022. Phytophagous insects associated with avocado orchards (Persea americana Mill.) in the Colombian Caribbean. Revista Colombiana De Entomología: Vol. 48 No. 2.
https://doi.org/10.25100/socolen.v48i2
• OROZCO O., L.F., GIRALDO S., C.E., PULGARÍN D., J.A., GRISALES V. N.Y. 2021. First record of Phidotricha erigens (Lepidoptera: Pyralidae) feeding on Furcraea spp. in Colombia. Rev. Ceres 68(6): 624-627.
https://www.scielo.br/j/rceres/a/GdVhqzX4YZb764z6VgfsyVr/
• PULGARÍN D., J.A, GALLEGO, L.E., HERRERA-FLOREZ, A.F., & QUIROZ, J.A. 2018. First report of Zethus schadei (Hymenoptera: Vespidae) as natural enemy of Hypsipyla grandella Zeller (Lepidoptera: Pyralidae) from Colombia. Acta Zoológica Mexicana (NS), 34(1), 1-3.
http://www.scielo.org.mx/scielo.php?pid=S0065-17372018000100216&script=sci_arttext
• BURBANO-FIGUEROA, O., ARCILA, A., VASQUEZ, A. M., CARRASCAL, F., SALAZAR PERTUZ, K., MORENO-MORAN, M., ROMERO-FERRER, J., & PULGARÍN D., J.A. 2018. First report of Bionectria pseudochroleuca causing dieback and wilting on avocado in the Serrania de Perijá, Colombia. Plant Dis, 102, 238.
https://apsjournals.apsnet.org/doi/full/10.1094/PDIS-01-17-0010-PDN
• HERRERA-FLOREZ, A.F., PULGARÍN D., J.A. & QUIROZ-GAMBOA, J. A. 2017. A new species of Mesostenus Gravenhorst (Hymenoptera: Ichneumonidae: Cryptinae) from Colombia. Zootaxa, 4306(4), 593-600.
https://www.biotaxa.org/Zootaxa/article/view/zootaxa.4306.4.9
• PULGARÍN D., J.A. 2012. Scolytinae (Coleoptera: Curculionidae) associated to two woods in a premountain very humid forest (Antioquia, Colombia). Revista Facultad Nacional de Agronomía Medellín, 65(1), 6459-6466.
http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0304-28472012000100016
• PULGARÍN D., J.A. 2009. Damaging insects of the thirteen more commercialized woods in the Aburra’s Valley. Revista Colombia Forestal 12: 51-62.
http://www.scielo.org.co/pdf/cofo/v12n1/v12n1a05.pdf
• PULGARÍN D., J.A. 2004. Some observations on the nest structure and colony composition of Pseudomyrmex termitarius (Hymenoptera: Formicidae) in a locality in Bello (Antioquia, Colombia). Revista de la Facultad Nacional de Agronomía, Medellín, 57 (1): 2161-2175.
http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S0304-28472004000100002&lng=en&nrm=iso
Recent presentations
- Pulgarín Díaz, J. A., Melin, M., Lyytikäinen‑Saarenmaa, P., Peltola, H. & Tikkanen, O.-P. Characterization of the stands damaged by Ips typographus in Finland. The International Boreal Forest Research Association. IBFRA Conference 28-31 August 2023.
- Tikkanen, O.-P., Pulgarín, J. A., & Melin, M. Spread of Panolis flammea, Lymantria monacha and L. dispar in Far North of Europe: old maps and new trapping results. IUFRO Conference Division 7 – Forest Health Pathology and Entomology. September 2022.
- Pulgarín D., J. A., Melin, M., Peltola, H. & Tikkanen, O.-P. Ips typographus damages nationwide patterns and causes in Finland. IUFRO Conference Division 7 – Forest Health Pathology and Entomology. September 2022.
- Pulgarín D., J. A., Melin, M., Peltola, H. & Tikkanen, O.-P. Characterization of the stands damaged by Ips typographus in Finland. Presentation in the Webinar UNITE WP2 cruise. February 2022.
In the media
Stand-level probability of spruce bark beetle damage mapped across Finland
Publications
18/18 items-
Early growth and sensitivity to climate and shade intensity of <i>Cariniana pyriformis</i> in northern South America
Pulgarín Díaz, John Alexander; Guerra Hincapié, Juan José; López-Zuleta, Santiago; Gil Restrepo, Juan Pablo, 2026, Forestry, 99, 2, cpaf089. A1 Journal article (refereed), original research -
Assessing the impacts of forest stand structure and landscape on the formation of Ips typographus damage hotspots in Finland
Diaz, John Alexander Pulgarin; Perez-Perez, Juliana; Melin, Markus; Peltola, Heli; Tikkanen, Olli-Pekka, 2025, Forestry, [Epub ahead of print 17 Sep 2025], 1-14. A1 Journal article (refereed), original research -
Contribution of stand, landscape and climatic attributes to Ips typographus damage and its spatial distribution in Finland
Pulgarin Diaz, John Alexander, 2025, Dissertationes forestales. G5 Doctoral dissertation (article) -
Drivers of European spruce bark beetle (Ips typographus) damage risk in Finnish forests and insights for its management
Pulgarín Díaz, John Alexander; Melin, Markus; Mehtätalo, Lauri; Polade, Suraj; Aalto, Juha; Peltola, Heli; Tikkanen, Olli-Pekka, 2025, Forestry and Game Management Research Institute. Poster -
Effect of Socioeconomic Strata and Land Cover on Dengue Hotspots in Medellin, Colombia
Pérez-Pérez, Juliana; Pulgarin Diaz, John Alexander; Rúa-Uribe, Guillermo; Mola-Yudego, Blas; Delmelle, Eric; Rojo, Raúl; Berninger, Frank, 2025, American journal of tropical medicine and hygiene, 112, 6, 1289-1299. A1 Journal article (refereed), original research -
Impacts of forest stand and landscape variables on the formation of Ips typographus damage hotspots in Finland
Pulgarín Díaz, John Alexander; Pérez-Pérez, Juliaina; Melin, Markus; Peltola, Heli; Tikkanen, Olli-Pekka, 2025, Forestry and Game Management Research Institute. Abstract -
Impacts of stand and landscape attributes on Ips typographus damage hotspots in Finland
Pulgarín Díaz, John Alexander; Pérez-Pérez, Juliana; Melin, Markus; Peltola, Heli; Tikkanen, Olli-Pekka, 2025, Itä-Suomen yliopisto. Abstract -
Ips typographus L. in the north: from curiosity to the most threatening insect pest of boreal coniferous forests of NW Europe
Tikkanen, Olli-Pekka; Pulgarin Diaz, Alexander; Melin, Markus; Peltola, Heli, 2025, Forestry and Game Management Research Institute. Poster -
Stand, landscape and climatic attributes contributing to the probability of Ips typographus damage in Finland
Diaz, John Alexander Pulgarin; Melin, Markus; Polade, Suraj; Aalto, Juha; Peltola, Heli; Tikkanen, Olli-Pekka, 2025, Forest ecology and management, 603, 123436. A1 Journal article (refereed), original research -
Effects of forest stand and landscape variables on Ips typographus damages in Finland’s nationwide
Pulgarin Díaz, John Alexander; Melin, Markus; Lyytikäinen-Saarenmaa, Päivi; Peltola, Heli; Tikkanen, Olli-Pekka, 2024, Itä-Suomen yliopisto. Abstract
