Larvae, exuviae, and teneral adults of Stylogomphus albistylus (Hagen) were collected from Mountain Stream, within the boundaries of the Huron Mountain Club, in the Upper Peninsula of Michigan (Marquette County). This represents the first published report of this species from the Upper Peninsula of Michigan, and only the second recorded site for the state of Michigan

Bright, Ethan

Kielb, Michael A

O\u27Brien, Mark F

English

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Range Extension of \u3ci\u3eStylogomphus Albistylus\u3c/i\u3e (Odonata: Gomphidae) for the Upper Peninsula of Michigan

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The Great Lakes Entomologist Volume 29 Number 2 - Summer 1996 Number 2 - Summer 1996 Article 5 June 1996 Range Extension of Stylogomphus Albistylus (Odonata: Gomphidae) for the Upper Peninsula of Michigan Michael A. Kielb University of Michigan Ethan Bright University of Michigan Mark F. O'Brien University of Michigan Follow this and additional works at: https://scholar.valpo.edu/tgle  Part of the Entomology Commons Recommended Citation Kielb, Michael A.; Bright, Ethan; and O'Brien, Mark F. 1996. "Range Extension of Stylogomphus Albistylus (Odonata: Gomphidae) for the Upper Peninsula of Michigan," The Great Lakes Entomologist, vol 29 (2) Available at: https://scholar.valpo.edu/tgle/vol29/iss2/5 This Peer-Review Article is brought to you for free and open access by the Department of Biology at ValpoScholar. It has been accepted for inclusion in The Great Lakes Entomologist by an authorized administrator of ValpoScholar. For more information, please contact a ValpoScholar staff member at scholar@valpo.edu. 1996 87THE GREAT LAKES ENTOMOLOGIST RANGE EXTENSION OF STYLOGOMPHUS ALB/STYLUS IODONATA: GOMPHIDAE) FOR THE UPPER PENINSULA OF MICHIGAN Michael A. Kielb, Ethan Bright, and Mark F. O'Brien1 ABSTRACT Larvae, exuviae, and teneral adults of Stylogomphus albistylus (Hagen) were collected from Mountain Stream, within the boundaries of the Huron Mountain Club, i  the Upper Peninsula of Michigan (Marquette County). This represents the first published report of this species from the Upper Peninsula of Michigan, and only the second recorded site for the state of Michigan. Stylogomphus albistylus (Hagen), is a small, widely distributed gomphid dragonfly, rangin  from Nova Scotia westward to Wisconsin, and southward to North Carolina, Alabama, nd Missouri (Leonard 1940, Carle 1980, Hilsen­hoff 1995). In the western Great Lakes Region, th  species is recorded from east-central Ohio (Glotzhober 1995) northern Ontario (Walker 1958), and northern Wisconsin (Hilsenhoff 1995). In Michigan however, this species pre­viously has been found only i  Lake County (Leonard 1940, Kormondy 1958). No records are known from Illinois (Montgomery 1967), Indiana (Lawrence 1967), or Minnesota (Carlson, Anderson, and Hamrum 1967). A previously un­published investigation n this area (Yanoviak 1993) also documented larvae ofS. albistylus from the Huron Mountains, both in Mountain S ream and the Pine River. Mountain Stream is located in the Huron Mountains (Marquette Co.; T.52N, R.28W, Sec. 29), northwest of Marquette, Michigan. An undisturbed and fast-flowing stream within a hemlock-dominated forest, Mountain Stream connects Mountain Lake and Pine Lake, and is characterized by coarse gravel and bedrock substrates. The stream course is also punctuated by a series of rocky rapids and waterfalls, the largest of which is approxi­mately 12 m wide with a 7 m drop. The stream bank below the falls is char­acterized by large rocks as well as undercut banks with an understory of Poly­podium, Maienthemum and Polygonatum species (Ecosystem Type 30, see Simpson, et al. 1990). On 30 June 1996, we found larvae, exuviae, and freshly-emerged adults of S. albistylus below the base of the Mountain Stre m falls. Exuviae were ob­served clinging nearly horizontally upon stream-side rocks as well a  almost vertically attached to vegetation, similar to previous observations (Carle 1980). Further collecting on 3 July 1996, below and approximately 200 m above the falls yielded additional larval specimens. Both early and late-msw larvae were collected among woody debris and large cobbles near the rocky banks. Thtal length of the larvae varied from <3 mm to 19.3 mm, evidence 1 Insect Division, Museum of Zoology, University of Michigan, Ann Arbor, MI 48109­1079. 1Kielb et al.: Range Extension of <i>Stylogomphus Albistylus</i> (Odonata: GomphPublished by ValpoScholar, 199688 THE GREAT LAKES ENTOMOLOGIST Vol. 29, No.2 that, in this part of its range, S. albistylu8 requires more than one year to complete its larval stage. During collecting, it was noticed that several larvae had crawled upon shaded rocks, and adults were emerging from their larval stage. Teneral adults were also found resting on vertical moss-covered rock faces below the falls, and on nearby trees. Teneral adults were found up to several hundred meters downstream from the base of the falls, ca. 10-15 m. from the stream. Previous observations (Needham 1901, Leonard 1940, Walker 1958, Carle 1980) indicate that larvae of S. albistylus prefer fast-flowing streams with areas of sand. As this species seems to be fairly common in northern Wiscon­sin (Hilsenhoff 1995), it is expected that similar stream habitats in the Upper Peninsula of Michigan will yield more records of this species. It is puzzling that this species has not b en previously recorded elsewhere from the UpperPeninsula of Michigan. This does point out that there is a dearth of compre­hensive Odonata records from the Upper Peninsula, and future collecting ef­forts should concentrate on this r gion f the stat . ACKNOWLEDGMENTS We thank David C. L. Gosling, and the Huron Mountain Wildlife Founda­tion for support of our activities at the Huron Mountain Club. Susan Kielb was a valuable field assistant. The specimens have be n deposited in the col­lection of the University of Michigan Museum of Zoology Insect Division. LITERATURE CITED Carle, F. L.. 1980. A new Lanthus (Odonata: Gomphidae) from Eastern North America with adult and nymphal keys to American Octogomphines. Annals Entomol. Soc. America 73(2):172-179. Carlson, R. E., M. A. Anderson, and C. L. Hamrum. 1967. Distribution and h bitat pref­erence of Minnesota dragonfly species (Odonata, Anisoptera). Jour. Minn. Acad .. Sci­ence 34(2):59-61). Glotzhober, R. C. 1995. The Odonata of Ohio- A preliminary report. Bull. Am. Odona­tology 3(1):1-30. Hilsenhoff, W. L. 1995. Aquatic insects of Wisconsin: keys to Wisconsin genera and notes on biology, habitat, distribution and species. Natural History Museums Council, Univ. of Wisconsin-Madison, No.3. Kormondy, E. J. 1958. Catalogue of the Odonata of Michigan. Misc. Pub. Mus. Zool., Univ. Mich. 104:.1-43. Lawrence, V. M. 1967. The distribution of Odonata in Indiana and Ohio. Proc. North Central Br., EntomoL Soc. America. 22:116-119. Leonard, J. W. 1940. Lanthus albistylus (Hagen), a new record for Michigan, with eco­logical notes on the species (Odonata: Gomphinae) Occ. Papers Mus. Zool. Univ. Mich. 414:1-6. • Montgomery, B. E. 1967. Geographical distribution of the Odonata of the north central states. Proc. North Central Br., Ent. Soc. America. 22:121-129. Needham, J. G. 1901. Aquatic insects in the Adirondacks. New York State Museum BulL 47:429-540. Simpson, T. B., P. E. Stuart, and B. V. Barnes. 1990. Landscape ecosystems and cover types of the Reserve Area and adjacent lands of the Huron Mountain Club. Occ. Pap. Huron Mountain Wildlife Foundation, No.4. 128 pp. Walker, E. M. 1958. The Odonata of Canada and Alaska, Volume Tw . University of 'Thronto Press. Yanoviak, S. P. 1993. A comparison of benthic macroinvertebrate assemblages in lake­outlet and dendritic streams of the Huron Mountain Region of Michigan. Unpubl. MS Thesis, Purdue University. 2The Great Lakes Entomologist, Vol. 29, No. 2 [1996], Art. 5https://scholar.valpo.edu/tgle/vol29/iss2/5

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Range Extension of \u3ci\u3eStylogomphus Albistylus\u3c/i\u3e (Odonata: Gomphidae) for the Upper Peninsula of Michigan

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