Description of a new Andean species of widow spider (Araneae, Theridiidae, Latrodectus)
Arachnology: Araneae research

Miller, J., Kratzer, C. A., and Griswold, C. (2026). Description of a new Andean species of widow spider (Araneae, Theridiidae, Latrodectus). ZooKeys, 1281, 49-67. [LINK]

 

Notes on the Neotropical Cicada Genus Guyalna (Hemiptera: Cicadidae: Fidicinini): Part 1 of 3
Entomology: Hemiptera research

Kratzer, C. A. (2026). Notes on the Neotropical Cicada Genus Guyalna (Hemiptera: Cicadidae: Fidicinini): Part 1 of 3. iNaturalist. [LINK]

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Notes on the Neotropical cicada tribe Durangonini (Hemiptera: Cicadidae)
Entomology: Hemiptera research

Kratzer, C. A. (2025). Notes on the Neotropical cicada tribe Durangonini (Hemiptera: Cicadidae). iNaturalist. [LINK]

 

Retrospective Dossier: Project IRIS
Engineering: Infrared biomimicry research (Insect Reflective Imaging System)

Kratzer, C. A., Katz, Z. J., and Fox, M. (2025). Retrospective Dossier: Project IRIS. Owlfly Engineering. [FREE DOWNLOAD]

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Retrospective Dossier: Project HTTR Mk2

Engineering: Thermal testing machine (Heat Transfer Test Rig)

Kratzer, C. A., Katz, Z. J., and Fox, M. (2025). Retrospective Dossier: Project HTTR Mk2. Owlfly Engineering. [FREE DOWNLOAD]

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Biodiversity & Classification of Wasps

Entomology: WaspID course manual (chapter on Vespoidea written by Chris Alice Kratzer)

Nastasi, L. F., Kresslein, R. L., Fowler, K. O., Flores, S. R. F., Mathis, C. L., Davis, C. K., Awad, J., Tomlinson, S., Kelly, T., Martens, A. P., Dal Pos, D., Salden, T., Green, N., McClelland, A. R., Zhang, Y. M., Kratzer, C. A., Parslow, B., Griebenow, Z., and Skvarla, M. (2024). Biodiversity & Classification of Wasps: The WaspID Course Manual, 2024 version. Penn State WaspID Course. [FREE DOWNLOAD]

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Geographical and temporal distribution of Megalopygidae in the United States and Puerto Rico
Entomology: Lepidoptera research

Peruzzi-Sancio, E., Kratzer, C. A., and Carlson, J. C. (2023). Geographical and temporal distribution of Megalopygidae in the United States and Puerto Rico. Toxicon X, 21(1), 100181. [LINK] [APPENDIX GUIDE]