William Moser

• M.S. University of Toronto, Toronto, Ontario
• B.S. University of Nebraska, Lincoln 

Journal Article

• Phillips, Anna J., Reilly, Jason, Ashton, Don, Richardson, Dennis J., Sei, Makiri, and Moser, William E. 2025. "Introduced Placobdella parasitica in the lower Rogue River, Oregon: origin story." Aquatic Invasions, 20, (2) 251–272. https://doi.org/10.3391/ai.2025.20.2.152871.
• Phillips, Anna J., Richardson, Dennis J., Hammond, Charlotte I., Gonzalez, Brett C., Lazo-Wasem, Eric, and Moser, William E. 2025. "Synonymization of Placobdella picta (Verrill, 1872) (Hirudinea: Glossiphoniidae) with Descriptions of Two New Species Revealed by Molecular Species Delimitation." Journal of Parasitology, 111, (1). https://doi.org/10.1645/24-89.
• Bentley, Andrew, Thiers, Barbara, Moser, William E., Watkins-Colwell, Gregory J., Zimkus, Breda M., Monfils, Anna K., Franz, Nico M., Bates, John M., Boundy-Mills, Kyria, Lomas, Michael W., Ellwood, Elizabeth R., Poo, Sinlan, Contreras, Dori L., Webster, Michael S., Nelson, Gil, and Pandey, Jyotsna L. 2024. "Community Action: Planning for Specimen Management in Funding Proposals." Bioscience, 74, (7) 435–439. https://doi.org/10.1093/biosci/biae032.
• Reilly, Jason M., Ashton, Don T., Holley, James P., McClarnon, Max C., Moser, William E., and Phillips, Anna J. 2023. "Rogue Turtles with Exotic Leeches: The Northwestern Pond Turtle (Actinemys marmorata) as a host for the common North American Turtle Leech (Placobdella parasitica)." Herpetological Conservation and Biology, 18, (3) 529–539.
• Moser, William E., Richardson, Dennis J., Hammond, Charlotte I., Rojas, Lourdes, Lazo-Wasem, Eric, and Phillips, Anna J. 2022. "Resurrection and redescription of Clepsine pallida Verrill, 1872 (Hirudinida, Glossiphoniidae) with a phylogeny of the genus Alboglossiphonia." ZooKeys, 1127 135–154. https://doi.org/10.3897/zookeys.1127.86004.
• O'Brien, Kristin M., Crockett, Elizabeth L., Adams, Byron J., Amsler, Charles D., Appiah-Madson, Hannah, Collins, Allen, Desvignes, Thomas, Detrich, H. William, III, Distel, Daniel L., Eppley, Sarah M., Frable, Benjamin W., Franz, Nico M., Grim, Jeffrey M., Kocot, Kevin M., Mahon, Andrew R., Mayfield-Meyer, Teresa, Mikucki, Jill A., Moser, William E., Schmull, Michaela, Seid, Charlotte A., Smith, Craig R., Todgham, Anne E., and Watkins-Colwell, Gregory. 2022. "The time is right for an Antarctic biorepository network." Proceedings of the National Academy of Sciences of the United States of America, 119, (50). https://doi.org/10.1073/pnas.2212800119.
• Hiebert, Miriam, Lam, Thomas, Vicenzi, Edward, Phaneuf, Raymond, Moser, William, and Hawks, Catherine. 2021. "Microanalysis of Glass Fluid Storage Vials from The Invertebrate Zoology Collection at the National Museum of Natural History." Microscopy and Microanalysis, 27 3208–3210. https://doi.org/10.1017/S1431927621011077.
• Calhoun, Dana M., Esfahani, Evan, Locke, Sean A., Moser, William E., and Johnson, Pieter T. J. 2020. "How parasite exposure and time drive infection how parasite exposure and time interact to determine Australapatemon burti (Trematoda: Digenea) infections in second intermediate host (Erpobdella microstoma) (Hirudinea: Erpodellidae)." Experimental parasitology, 219 Article 108002. https://doi.org/10.1016/j.exppara.2020.108002.
• Moser, William E., Richardson, Dennis J., Hammond, Charlotte I., and Lazo-Wasem, Eric. 2020. "Redescription and Molecular Characterization of Placobdella michiganensis (Sawyer, 1972) (Hirudinida: Glossiphoniidae)." Bulletin of the Peabody Museum of Natural History, 61, (2) 97–102. https://doi.org/10.3374/014.061.0202.
• Phillips, Anna J., Govedich, Fredric R., and Moser, William E. 2020. "Leeches in the extreme: Morphological, physiological, and behavioral adaptations to inhospitable habitats." International Journal for Parasitology: Parasites and Wildlife, 12 318–325. https://doi.org/10.1016/j.ijppaw.2020.09.003.
• Richardson, Dennis J., Hammond, Charlotte I., Moser, William E., Phillips, Anna J., Lazo-Wasem, Eric, and Barger, Michael A. 2020. "Molecular Variation and Biogeography of the Common North American Turtle Leech, Placobdella parasitica." Bulletin of the Peabody Museum of Natural History, 61, (2) 83–95. https://doi.org/10.3374/014.061.0201.
• Moser, William E., Richardson, Dennis J., Schlesser, Nicholas J., Hammond, Charlotte I., and Lazo-Wasem, Eric. 2019. "Redescription and Molecular Characterization of Placobdella pediculata Hemingway, 1908 (Hirudinida: Glossiphoniidae)." Bulletin of the Peabody Museum of Natural History, 60, (2) 121. https://doi.org/10.3374/014.060.0203.
• Aplasca, Andrea C., Titus, Valorie, Ossiboff, Robert J., Murphy, Lisa, Seimon, Tracie A., Ingerman, Karen, Moser, William E., Calle, Paul P., and Sykes, John M. 2018. "Health Assessment of Free-Ranging Chelonians in an Urban Section of the Bronx River, New York." Journal of wildlife diseases, 55, (2). https://doi.org/10.7589/2017-12-304.
• Moser, William E., Richardson, Dennis J., Hammond, Charlotte I., Gotte, Steve W., and Lazo-Wasem, Eric. 2017. "Distribution of Placobdella hollensis (Whitman, 1892) (Hirudinida: Glossiphoniidae)." Comparative Parasitology, 84, (2) 165–168. https://doi.org/10.1654/1525-2647-84.2.165.
• Moser, William E., Richardson, Dennis J., Hammond, Charlotte I., Lazo-Wasem, Eric A., and Phillips, Anna J. 2017. "Redescription and Molecular Characterization of Placobdella nuchalis Sawyer and Shelley, 1976 (Hirudinida: Glossiphoniidae)." Bulletin of the Peabody Museum of Natural History, 58, (2) 311–316. https://doi.org/10.3374/014.058.0204.
• Moser, William E., Richardson, Dennis J., Hammond, Charlotte I., Lazo-Wasem, Eric A., and Barger, Michael A. 2017. "Host Associations of Helobdella octatestisaca (Hirudinida: Glossiphoniidae) and the First Report of this Leech in the United States." Comparative Parasitology, 84, (1) 18–20. https://doi.org/10.1654/1525-2647-84.1.18.
• Moser, William E., Richardson, Dennis J., and Lazo-Wasem, Eric A. 2016. "Distribution of Placobdella ornata (Verrill, 1872) (Hirudinida: Glossiphoniidae)." Bulletin of the Peabody Museum of Natural History, 57, (2) 175–179. https://doi.org/10.3374/014.057.0205.
• Richardson, Dennis J., McAllister, Chris T., Heaton, Andrew J., Pulis , Eric E., and Moser, William E. 2016. "Placobdella multilineata Moore, 1953 (Hirudinida: Glossiphoniidae) from the Gulf Coast Box Turtle, Terrapene carolina major (Agassiz, 1857) (Testudines: Emydidae) in Mississippi, USA." Comparative Parasitology, 83, (2) 272–274. https://doi.org/10.1654/4803s.1.
• Thigpen, C. S., Trauth, S., Bagwell, L., Konvalina, J., Schratz, S., McAllister, C., Moser, William E., Richardson, D., and Robison, H. 2015. "New Host and County Records of the Fish Leech Cystobranchus klemmi (Hirudinida: Piscicolidae) in Arkansas." Journal of the Arkansas Academy of Science, 69. https://doi.org/10.54119/jaas.2015.6924.
• Hopkins, William A., Moser, William E., Garst, David, Richardson, Dennis J., Hammond, Charlotte I., and Lazo-Wasem, Eric. 2014. "Morphological and molecular characterization of a new species of leech (Glossiphoniidae, Hirudinida): Implications for the health of its imperiled amphibian host (Cryptobranchus alleganiensis)." ZooKeys, 378 83–101. https://doi.org/10.3897/zookeys.378.6545.
• Moser, William E., Briggler, Jeffrey T., Richardson, Dennis J., Schuette, Chawna D., Hammond, Charlotte I., Hopkins, William A., and Lazo-Wasem, Eric. 2013. "Redescription and molecular characterization of Placobdella cryptobranchii (Johnson & Klemm, 1977) (Glossiphoniidae, Hirudinida)." ZooKeys, 338 1–10. https://doi.org/10.3897/zookeys.338.5995.
• Moser, William E., Richardson, Dennis J., Hammond, Charlotte I., and Lazo-Wasem, Eric. 2012. "Molecular Characterization of Glossiphonia elegans (Verrill, 1872) (Glossiphoniidae: Hirudinida) from its type locality, West River, New Haven County, Connecticut, USA." Zootaxa, 3195 57–60.
• Moser, William E., Richardson, Dennis, Hammond, Charlotte, Govedich, Fredric, and Lazo-Wasem, Eric. 2012. "Resurrection and Redescription of Placobdella rugosa (Verrill, 1874) (Hirudinida: Glossiphoniidae)." Bulletin of the Peabody Museum of Natural History, 53, (2) 375–381. https://doi.org/10.3374/014.053.0203.
• Moser, William E., Richardson, Dennis, Hammond, Charlotte, and Lazo-Wasem, Eric. 2012. "Redescription of Placobdella ornata (Verrill, 1872) (Hirudinida: Glossiphoniidae)." Bulletin of the Peabody Museum of Natural History, 53, (1) 325–330. https://doi.org/10.3374/014.053.0103.
• Richardson, Dennis J., Moser, William E., Richardson, Kristen E., Hammond, Charlotte I., and Lazo-Wasem, Eric. 2012. "New Host and Geographic Distribution Records for the Fish Leeches Placobdella translucens (Sawyer and Shelley, 1976) and Myzobdella reducta (Meyer, 1940) (Hirudinida)." Comparative Parasitology, 79, (2) 293–297. https://doi.org/10.1654/4578.1.
• Keel, William G., Moser, William, Giaccai, Jennifer, Ormos, Andrea, Tanner, Jackson, and Weight, Lee A. 2011. "Alcohol recycling at the Smithsonian Institution, National Museum of Natural History (NMNH)." Collection Forum, 25, (1) 10–21.
• Keel, William, Moser, William E., Giaccai, Jennifer A., Ormos, Andrea, Tanner, Jackson, and Weight, Lee. 2011. "Alcohol Recycling at the Smithsonian Institution, National Museum of Natural History (NMNH)." Collection Forum, 25, (1) 10–21.
• McAllister, Chris, Moser, William E., and Klemm, Donald. 2011. "Actinobdella inequiannulata (Annelida: Hirudinida: Rhynchobdellida: Glossiphoniidae) from White Crappie, Pomoxis annularis (Perciformes: Centrarchidae), in Arkansas, U.S.A." Comparative Parasitology, 78, (2) 392–394. https://doi.org/10.1654/4503.1.
• McCallum, Malcolm, Moser, William E., Wheeler, Benjamin, and Trauth, Stanley. 2011. "Amphibian infestation and host size preference by the leech Placobdella picta (Verrill, 1872) (Hirudinida: Rhynchobdellida: Glossiphoniidae) from the Eastern Ozarks, USA." Herpetology Notes, 4 147–151.
• Moser, William E., Klemm, Donald, Phillips, Anna, Trauth, Stanley, Neal, Robert, Stanley, Jonathan, Connior, Matthew, and Flotemersch, Joseph. 2011. "Distribution of the Genus Philobdella (Macrobdellidae: Hirudinida), Including New Locality Records from Arkansas and Oklahoma." Comparative Parasitology, 78, (2) 387–391. https://doi.org/10.1654/4507.1.
• Moser, William E., Richardson, Dennis, Hammond, Charlotte, and Lazo-Wasem, Eric. 2011. "Molecular Characterization of Helobdella modesta (Verrill, 1872) (Hirudinida: Glossiphoniidae) from its type locality, West River and Whitneyville Lake, New Haven County, Connecticut, USA." Zootaxa, 2834 65–68.
• Richardson, Dennis, Moser, William E., Hammond, Charlotte, Shevchenko, Alexis, and Lazo-Wasem, Eric. 2010. "New Geographic Distribution Records and Host Specificity of Placobdella ali (Hirudinida: Glossiphoniidae)." Comparative Parasitology, 77, (2) 202–206. https://doi.org/10.1654/4456.1.
• Moser, William E., Richardson , D. J., Wheeler , B. A., Irwin, K. J., Daniels , B. A., Trauth, S. A., and Klemm, D. J. 2008. "Placobdella cryptobranchii (Rhynchobdellida: Glossiphoniidae) on Cryptobranchus alleganiensis bishopi (Ozark Hellbender) in Arkansas and Missouri." Comparative Parasitology, 75, (1) 98–101. https://doi.org/10.1654/4300.1.
• Moser, William E., Klemm, D. J., Richardson, D. J., Wheeler, B. A., Trauth, S. E., and Daniels, B. A. 2006. "Leeches (Annelida: Hirudinida) of Northern Arkansas." Journal of the Arkansas Academy of Science, 60 84–95.
• Moser, William E., Quelvog, B. D., and Hovingh, P. 2005. "First Report of an Eastern United States Species of Blood-Feeding Leech, Placobdella parasitica (Euhirudinea, Glossiphoniidae), in California." Proceedings of the California Academy of Sciences, 56 91–92.
• Moser, William E., Van Devender, R. W., and Klemm, D. J. 2005. "Life history and distribution of the leech Oligobdella biannulata (Moore, 1900) (Euhirudinea: Glossiphoniidae)." Comparative Parasitology, 72, (1) 17–21.
• Moser, William E., Van Devender, R. W., Montanucci, R. R., Camp, C. D., and Klemm, D. J. 2005. "New host data for the leech Oligobdella biannulata (Euhirudinea: Glossiphoniidae)." Journal of the North Carolina Academy of Science, 121, (1) 36–40.
• Klemm, D. J., Daniels, B. A., Moser, William E., and Lester, J. G. 2003. "Biology of the leech Actinobdella inequiannulata Moore, 1901 (Annelida: Hirudinea: Rhynchobdellida: Glossiphoniidae), parasitic on the white sucker, Catostomus commersoni Lacepede, 1803, and the longnose sucker, Catostomus catostomus Forster." Comparative Parasitology, 70 120–127.
• Erbe, E. F., Wergin, W. P., Ochoa, Ronald, Dickens, J. C., Moser, William E., and Kane, E. 2001. "Low temperature scanning electron microscopy of soft bodied organisms." Proceedings Microscopy Society of America, 7, (2) 1204–1205.
• Bright, C. F. and Moser, William E. 1998. "A National Science Foundation and Smithsonian Institution Partnership; The US Antarctic Program (1963 - Present)." New Zealand Natural Sciences, Supplement, 23 21.
• Moser, William E. and Nicol, J. C. 1997. "The National Museum of Natural History." Antarctic Journal of the United States, 32 230–233.
• Moser, William E. 1995. "Placobdella parasitica (Rhynchobdellida: Glossiphiniidae) from the Eastern River Cooter (Chelonia: Emydidae) in Oklahoma." The Texas Journal of Science, 47, (1) 71–74.
• Moser, William E. and Desser, S. S. 1995. "Morphological, histochemical, and ultrastructural characterization of the salivary glands and proboscises of three species of glossiphoniid leeches (Hirudinea: Rhynchobdellida)." Journal of Morphology, 225, (1) 1–18.
• Moser, William E. and Willis, M. S. 1994. "Predation on gastropods by Placobdella spp. (Clitellata: Rhynchobdellida)." American Midland Naturalist, 132 399–400.

Book Chapter

• Govedich, F. R., Moser, William E., Nakano, T., Bielecki, A., Bain, B. A., and Utevsky, S. 2019. "Phylum Annelida." In Keys to Palaearctic Fauna: Thorp and Covich's Freshwater Invertebrates. 491–507. Academic Press.
• Moser, William E., Govedich, F. R., Oceguera-Figueroa, A., Richardson, D. J., and Phillips, A. J. 2016. "Annelida, Subclass Hirudinida." In Keys to Nearctic Fauna: Volume II, Thorp and Covich's Freshwater Invertebrates. Thorp, James H. and Rogers, D. Christopher, editors. 244–259. Amsterdam: Academic Press.
• Giaccai, Jennifer A., Keel, W. G., Moser, William E., and Tanner, Jackson. 2011. "Evaluating the Feasibility of Recycling Storage Alcohols with HS-GC-MS." In Preprints, ICOM-CC (International Council of Museums - Committee for Conservation) 16th Triennial Conference, Lisbon, Portugal, 19-23 September 2011. 1–1. ICOM-CC.
• Glasby, C. J., Read, G. B., Lee, K. E., Blakemore, R. J., Fraser, P. M., Pinder, A. M., Erseus, C., Moser, William E., Burreson, E. M., Govedich, F. R., Davies, R. W., and Dawson, E. W. 2009. "Phylum Annelida: bristleworms, earthworms, leeches." In New Zealand Inventory of Biodiversity, Volume 1, Kingdom Animalia: Radiata, Lophotrochozoa, and Deuterostomia.. Gordon, Dennis, editor. 312–358. Christchurch: Canterbury University Press.
• Govedich, F. R., Bain, B. B., Moser, William E., Gelder, S. R., Davies, R. W., and Brinkhurst, R. O. 2009. "Annelida (Clitellata): Oligochaeta, Branchiobdellida, Hirudinida, and Acanthobdellida." In Ecology and Classification of North American Freshwater Invertebrates (3rd Edition). Covich, A. P. and Thorp, J. H., editors. 385–436. Academic Press.
• Moser, William E., Govedich, Fred, and Klemm, Donald. 2009. "Annelida, Hirudinida (Leeches)." In Enclyopedia of Inland Waters, volume 2. Likens, Gene, editor. 116–123. Elsevier Press.
• Davies, R. W., Govedich, F. R., and Moser, William E. 2008. "Leech Parasites of Birds." In Parasitic Diseases of Wild Birds. C.T. Atkinson, Thomas, N. J., and Hunter, D. B., editors. 501–514. Ames: Wiley-Blackwell.
• Govedich, F. R., Moser, William E., and Davies, R. W. 2004. "Euhirudinea (leeches)." In Freshwater Invertebrates of the Malaysian Region. Yule, C. and Sen, Y. S., editors. 175–190. Academy of Sciences Malaysia.
• Moser, William E., Gray, N., Reed, K., and Bright, C. 2000. "The United States Antarctic Program at the Smithsonian Institution." In Antarctic Ecosystems: Models for Wider Ecological Understanding. New Zealand Natural Sciences (special volume). 324–327.