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Type: Article
Published: 2021-04-28
Page range: 293–300
Abstract views: 82
PDF downloaded: 74

A new species of Setodes Rambur (Trichoptera: Leptoceridae) from northern Michigan, USA

Department of Biology, Hillsdale College, 33 East College Street, Hillsdale, MI 49242, USA.
Trichoptera Caddisfly caddisflies Upper Peninsula Huron Mountains


Setodes truncatus n. sp. is illustrated and described herein based on specimens collected from 2 adjacent watersheds of the Huron Mountains in northern Michigan (USA). Both known populations inhabit undisturbed sandy rivers. Males of S. truncatus appear most similar to those of S. incertus (Walker) but can be separated based on their short and truncate inferior appendages and by other differences in the genitalia. The larva and female both remain unknown. A revised key to males of the 10 North American species of Setodes is provided.



  1. Armitage, B.J., Harris, S.C., Schuster, G.A., Usis, J.D., MacLean, D.B., Foote, B.A., Bolton, M.J. & Garano, R.J. (2011) Atlas of Ohio Aquatic Insects, Volume I. Trichoptera. Ohio Biological Survey Miscellaneous Contribution, 13, 1–88.

    Banks, N. (1900) New genera and species of Nearctic neuropteroid insects. Transactions of the American Entomological Society, 26, 239–260.

    Blahnik, R.J. & Holzenthal, R.W. (2014) Review and redescription of species in the Oecetis avara group, with the description of 15 new species (Trichoptera, Leptoceridae). ZooKeys, 376, 1–83.

    Denning, D.G. (1941) Descriptions and notes of new and little known species of Trichoptera. Annals of the Entomological Society of America, 34, 195–203.

    Denning, D.G. (1942) Descriptions of new Trichoptera from the United States. Canadian Entomologist, 74, 46–51.

    Denning, D.G. (1947) New species of Trichoptera from the United States. Entomological News, 58, 249–257.

    Edwards, S.W. (1956) Two new species of Trichoptera from Tennessee. Journal of the Tennessee Academy of Science, 31, 3–7.

    Etnier, D.A. (1965) An annotated list of the Trichoptera of Minnesota, with description of a new species. Entomological News, 76,141–152.

    Etnier, D.A. (1968) Range extensions of Trichoptera into Minnesota, with descriptions of two new species. Entomological News, 79, 188–192.

    Flint, O.S.Jr. & Sykora, J.L. (2004) Caddisflies of Hispaniola, with special reference to the Dominican Republic (Insecta: Trichoptera). Annals of the Carnegie Museum, 73, 1–60.

    Holzenthal, R.W. (1982) The caddisfly genus Setodes in North America (Trichoptera: Leptoceridae). Journal of the Kansas Entomological Society, 55, 253–271.

    Holzenthal, R.W. (2007) Adobe Illustrator: A Tutorial for Benthologists. Prepared for the Digital Illustration Workshop held June 3, 2007 at the 55th Annual Meeting of the North American Benthological Society, Columbia, South Carolina, 30 pp.

    Holzenthal, R.W. & Calor, A.R. (2017) Catalog of the Neotropical Trichoptera (caddisflies). ZooKeys, 654, 1–566.

    Holzenthal, R.W. & Harris, S.C. (1985) The female of Setodes guttatus with distribution notes (Trichoptera: Leptoceridae). Journal of the Kansas Entomological Society, 58, 166–167.

    Houghton, D.C. (2012) Biological diversity of Minnesota caddisflies. ZooKeys, Special Issues, 189, 1–389.

    Houghton, D.C. (2020) New state records and noteworthy recaptures of Michigan (USA) Trichoptera. The Great Lakes Entomologist, 53, 47–52.

    Houghton, D.C. (2021) Assessment of stream conditions and anthropogenic disturbance of the northcentral United States. Journal of Freshwater Ecology, 36, 1–12.

    Houghton, D.C., DeWalt, WE, Pytel, A.J., Brandin, C.N., Rogers, S.R., Hudson, P.L., Ruiter, D.E., Bright, E. & Armitage, B.J. (2018) Updated checklist of the Michigan caddisflies (Insecta: Trichoptera) with habitat affinities. ZooKeys, 730, 55–72.

    Leonard, J.W. & Leonard, F.A. (1949) Noteworthy records of caddis flies from Michigan, with descriptions of new species. Occasional Papers of the Museum of Zoology, University of Michigan, 520, 1–8.

    Merrill, D. & Wiggins, G.B. (1971) The larva and pupa of the caddisfly genus Setodes in North America. Royal Ontario Museum, Life Sciences Occasional Papers 19, 12 pp.

    Monson, M.P. & Holzenthal, R.W. (1993) A new species and new records of Oxyethira (Trichoptera: Hydroptilidae) from Minnesota. Journal of the North American Benthological Society, 12, 438–443.

    Morse, J.C. (2021) Trichoptera World Checklist. Available from: (accessed 28 February 2021)

    Morse, J.C., Holzenthal, R.W. & Yadamsuren, O. (2017) Trichoptera. In: Morse, J.C., McCafferty, W.P., Stark, B.P & Jacobus L.M. (Eds.), Larvae of the Southeastern USA Mayfly, Stonefly, and Caddisfly Species (Ephemeroptera, Plecoptera, and Trichoptera). Biota of South Carolina, volume 9. Technical Bulletin 1109, PSA Publishing, Clemson University, Clemson, South Carolina, pp. 248–442.

    Nations, V.L. (1994) A phylogenetic analysis of the North American species of Setodes (Trichoptera: Leptoceridae) with descriptions of the larvae and key to their identification. M.S. thesis, University of Alabama, Tuscaloosa, Alabama, 72 pp.

    Rasmussen, A.K. & Morse, J.C. (2020) Distributional Checklist of Nearctic Trichoptera (Fall 2020 Revision). Unpublished, Florida A&M University, Tallahassee. 517 pp. Available from: (Accessed 28 February 2021)

    Rasmussen, A.K., Harris, S.C. & Denson, D.R. (2008) Two new species of Leptoceridae (Trichoptera) from Florida, USA. Zootaxa, 1779 (1), 55–64.

    Ross, H.H. (1938) Descriptions of Nearctic caddis flies (Trichoptera) with special reference to the Illinois species. Bulletin of the Illinois Natural History Survey, 21,101–183.

    Ross, H.H. (1941) Descriptions and records of North American Trichoptera. Transactions of the American Entomological Society, 67, 35–126.

    Ross, H.H. (1944) The caddis flies, or Trichoptera, of Illinois. Bulletin of the Illinois Natural History Survey, 23, 1–326.

    Schmid, F. (1987) Considérations diverses sur quelques genres leptocérins (Trichoptera, Leptoceridae). Bulletin de l’Institut Royal des Sciences Naturelles de Belgique, Entomologie, 57, Supplement, 1–147.

    Walker, F. (1852) Cataloque of the Specimens of Neuropterous Insects in the Collection of the British Museum, Part I: Phryganides-Perlides. British Museum (Natural History), London 658 pp.

    Wiggins, G.B. (1975) Contributions to the systematics of the caddisfly family Limnephilidae (Trichoptera). II. The Canadian Entomologist, 107, 325–336.

    Wright, D.R., Pytel, A.J. & Houghton, D.C. (2013) Nocturnal flight periodicity of the caddisflies (Insecta: Trichoptera) in a large Michigan river. Journal of Freshwater Ecology, 28, 463–476.

    Yanoviak, S.P. & McCafferty, W.P. (1996) Comparison of macroinvertebrate assemblages inhabiting pristine streams in the Huron Mountains of Michigan. Hydrobiologia, 330, 195–211.

    Zemel, R.S. & Houghton, D.C. (2017) The ability of specific-wavelength LED lights in attracting night-flying insects. The Great Lakes Entomologist, 50, 79–85.