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All these sources are somehow relevant to this site. Many are popular angling books I refer to extensively. Most are scientific papers which I may or may not have actually looked up, photocopied, and used. Everything cited throughout this site is on this list.

Albatercedor, J. and J. Flannagan. 1995. 2 New Canadian Species of the Genus Tricorythodes Ulmer, with Additional Studies on Other North-American Species (Insecta, Ephemeroptera, Leptohyphidae). Canadian Journal of Zoology 73(9): 1588-1598.

Allen RK. 1977. New species of Ephemerella (Ephemerella) from Alberta (Ephemeroptera: Ephemerellidae). The Pan-Pacific Entomologist 53: 286-286.

Allen RK; Edmunds Jr GF. 1976. A revision of the genus Ametropus in North America (Ephemeroptera: Ametropididae). Journal of the Kansas Entomological Society 49: 625-635.

Allen, R.K. 1977. A review of Ephemerella (Dannella) and the description of a new species. The Pan-Pacific Entomologist 53: 215-217.

Allen, R.K. 1978. The nymphs of North and Central American Leptohyphes (Ephemeroptera: Tricorythidae). Annals of the Entomological Society of America 71: 537-558.

Allen, R.K. 1980. Geographic distribution and reclassification of the subfamily Ephemerellinae (Ephemeroptera: Ephemerellidae).

Allen, R.K. 1984. A new classification of the subfamily Ephemerellinae and the description of a new genus. The Pan-Pacific Entomologist 60: 247-247.

Allen, R.K. 1967. New species of new world Leptohyphinae (Ephemeroptera; Tricorythidae). Canadian Entomologist 99: 350-375.

Allen, R.K., and Edmunds, George F. Jr. 1963. A Revision of the Genus Ephemerella (Ephemeroptera, Ephemerellidae) VIII. The Subgenus Ephemerella in North America. Miscellaneous Publications of the Entomological Society of America 4: 243-282.

Allen, R.K., and Edmunds, George F. Jr. 1962. A Revision of the Genus Ephemerella (Ephemeroptera, Ephemerellidae) V. The Subgenus Drunella in North America. Miscellaneous Publications of the Entomological Society of America 4: 147-179.

Allen, R.K., and Edmunds, George F. Jr. 1963. A Revision of the Genus Ephemerella (Ephemeroptera: Ephemerellidae) VI. The Subgenus Serratella in North America. Annals of the Entomological Society of America 56: 583-600.

Allen, R.K., and Edmunds, George F. Jr. 1962. A Revision of the Genus Ephemerella (Ephemeroptera: Ephemerellidae) IV. The Subgenus Dannella. Journal of the Kansas Entomological Society 35(2): 333-338.

Allen, R.K., and Edmunds, George F. Jr. 1961. A Revision of the Genus Ephemerella (Ephemeroptera: Ephemerellidae) III. The Subgenus Attenuatella. Journal of the Kansas Entomological Society 34(4): 161-173.

Allen, R.K., and Edmunds, George F. Jr. 1961. A Revision of the Genus Ephemerella (Ephemeroptera: Ephemerellidae) II. The Subgenus Caudatella. Annals of the Entomological Society of America 54: 603-612.

Allen, R.K., and Edmunds, George F. Jr. 1963. A Revision of the Genus Ephemerella (Ephemeroptera: Ephemerellidae) VII. The Subgenus Eurylophella. Canadian Entomologist 95: 597-623.

Allen, R.K., and Edmunds, George F. Jr. 1959. A Revision of the Genus Ephemerella (Ephemeroptera: Ephemerellidae) I. The Subgenus Timpanoga. Canadian Entomologist 91: 51-58.

Arbona, Fred Jr. 1989. Mayflies, the Angler, and the Trout. Nick Lyons Books.

Banks, N. 1910. Notes on our eastern species of the may-fly genus Heptagenia. Canadian Entomologist 42: 197-202.

Bates, Joseph D. Jr. 1966. Streamer Fly Tying and Fishing . The Stackpole Company.

Bednarik, A.F. and G.F. Edmunds, Jr. 1980. Description of larval Heptagenia from the Rocky Mountain Region (Ephemeroptera: Heptageniidae). The Pan-Pacific Entomologist 56: 51-62.

Bednarik, A.F. and W.P. McCafferty. 1979. Biosystematic revision of the genus Stenonema (Ephemeroptera: Heptageniidae). Canadian Bulletin of Fisheries and Aquatic Sciences 201: 1-73.

Behnke, Robert J. 2002. Trout and Salmon of North America. The Free Press.

Bergman, Edward E., and Hilsenhoff, William L. 1978. Baetis (Ephemeroptera: Baetidae) of Wisconsin. Great Lakes Entomologist 11(3): 125-135.

Bergman, Ray. 1976. Trout. The Derrydale Press.

Berner, L. 1978. A review of the family Metretopodidae. Transactions of the American Entomological Society 104: 91-137.

Berner, Lewis and Richard K. Allen. 1961. Southeastern Species of the Mayfly Subgenus Serratella (Ephemerella: Ephemerellidae). Florida Entomologist 44(4): 149-158.

Berner, Lewis, and Manuel L. Pescador. 1988. The Mayflies of Florida.

Borger, Gary A. 1991. Designing Trout Flies. Tomorrow River Press.

Brigham, W.U., A.K. Brigham, and A. Gnilke. 1982. Aquatic Insects and Oligochaetes of North and South Carolina. Midwest Aquatic Entomologist.

Brittain, John E. 1982. Biology of Mayflies. Annual Review of Entomology 27: 119-147.

Burian, S.K. 1990. The mayflies (Ephemeroptera) of Maine: A faunal survey, Part 1 and taxonomy of the Leptophlebiidae, Potamanthidae, Polymitarcydae, and Ephemeridae, Part 2. Ph.D. dissertation, University of Maine, Oronto, ME.

Burian, S.K. 2002. Taxonomy of Eurylophella coxalis (McDunnough) with notes on larval habitat and behavior (Ephemeroptera : Ephemerellidae). Journal of the North American Benthological Society 21(4): 602-615.

Burian, S.K. 2001. Revision of the Genus Leptophlebia in North America (Ephemeroptera: Leptophlebiidae). Bulletin of the Ohio Biological Survey 13 (3) (New series).

Burian, S.K. 1995. Taxonomy of the eastern nearctic species of Choroterpes Eaton (Ephemeroptera: Leptophlebiidae).

Burks, B.D. 1953. The Mayflies, or Ephemeroptera, of Illinois . Entomological Reprint Specialists.

Caposella, Jim. 2002. Good Fishing in the Catskills . Backcountry Guides.

Carle, F.L. and P.A. Lewis. A new species of Stenonema (Ephemeroptera: Heptageniidae) from eastern North America. Annals of the Entomological Society of America 71: 285-288.

Caucci, Al and Bob Nastasi. 1983. Instant Mayfly Identification Guide. Comparahatch Ltd.

Caucci, Al and Nastasi, Bob. 2004. Hatches II. The Lyons Press.

CIBOROWSKI, JJH. 1979. EFFECTS OF EXTENDED PHOTOPERIODS ON THE DRIFT OF THE MAYFLY EPHEMERELLA-SUBVARIA MCDUNNOUGH (EPHEMEROPTERA, EPHEMERELLIDAE). Hydrobiologia 62(3): 209-214.

Clemens, W.A. 1915. Mayflies of the Siphlonurus group. Canadian Entomologist 47: 245-260.

Clifford, H.F., H. Hamilton and B.A. Killins. 1979. Biology of the mayfly Leptophlebia cupida (Say) (Ephemeroptera: Leptophlebiidae). Canadian Journal of Zoology 57: 1026-1045.

Copp GH, Spathari S, Turmel M. 2005. Consistency of Diel behaviour and interactions of stream fishes and invertebrates during summer. River Research and Applications 21(1): 75-90.

Corkum, L.D. 1978. The nymphal development of Paraleptophlebia adoptiva (McDunnough) and Paraleptophlebia mollis (Eaton) (Ephemeroptera: Leptophlebiidae) and the possible influence of temperature. Canadian Journal of Zoology 56: 1842-1846.

Daggy, R.H. 1941. Taxonomic and biologic investigations on Minnesota mayflies (Ephemeroptera). Ph.D. dissertation, University of Minnesota, p. 331, plates 1-22.

Eaton, A.E. 1884. A revisional monograph of recent Ephemeridae or mayflies. Transactions of the Linnean Society of London, 2nd Series, Zoology 3(1): 1-352.

Edmunds G.F., Jr. 1959. Subgeneric groups within the mayfly genus Ephemerella (Ephemeroptera: Ephemerellidae). Annals of the Entomological Society of America 52: 543-547.

Edmunds Jr GF. 1948. The nymph of Ephoron album (Ephemeroptera). Entomological News 59: 12-14.

Edmunds, G.F. and W.P. McCafferty. 1988. The Mayfly Subimago. Annual Review of Entomology 33: 509-527.

Edmunds, G.F., Jr and A.K. Allen. 1964. The Rocky Mountain species of Epeorus (Iron) Eaton. Journal of the Kansas Entomological Society 37: 275-288.

Evans, J.L., Botts, W.F. Jr. and R.W. Flowers. 1985. A new Heptagenia (Ephemeroptera: Heptageniidae) from the Susquehanna and Delaware Rivers from eastern North America. Annals of the Entomological Society of America 78: 5-7.

Fauceglia, Ted. 2005. Mayflies . Stackpole Books.

Filkins, Kenn. 2000. Fly Fishing for Salmon and Steelhead of the Great Lakes. Wilderness Adventure Books.

Flannagan, John F., and K. Eric Marshall. 1980. Advances in ephemeroptera biology. Plenum Press.

Flowers, R.W. 1980. A review of the Nearctic Heptagenia (Heptageniidae, Ephemeroptera). Plenum.

Flowers, R.W. 1980. Two New Genera of Nearctic Heptageniidae (Ephemeroptera). Florida Entomologist 63(3): 296-307.

Flowers, R.W., and Hilsenhoff, William L. 1975. Heptageniidae of Wisconsin. Great Lakes Entomologist 8(4): 201-218.

FUNK DH, SWEENEY BW. 1994. THE LARVAE OF EASTERN NORTH-AMERICAN EURYLOPHELLA-TIENSUU (EPHEMEROPTERA, EPHEMERELLIDAE). Transactions of the American Entomological Society 120(3): 209-286.

Funk DH; Jackson JK; Sweeney BW. 2006. Taxonomy and genetics of the parthenogenetic mayfly Centroptilum triangulifer and its sexual sister Centroptilum alamance (Ephemeroptera: Baetidae). Journal of the North American Benthological Society 25: 417-429.

Galloup, Kelly. 2001. Cripples & Spinners. Dean Publishing.

Gierach, John. 1994. Dances with Trout. FIRESIDE.

Gonzales, Lloyd. 2005. Fly-Fishing Pressured Water. Stackpole Books.

Gordon, Eva. 1933. Notes on the Ephemerid genus Leptophlebia. Bulletin of the Brooklyn Entomological Society 28: 116-134.

Gough, F. and B.L. Haase. 1998. Diel emergence patterns of Tricorythodes stygiatis (Ephemeroptera: Leptohyphidae) on the Little Lehigh Creek near Allentown, Pennsylvania. Entomological News 109: 129-135.

Harper, F. and P.P. Harper. 1986. An annotated key to the adult males of the northwestern nearctic species of Paraleptophlebia Lestage (Ephemeroptera: Leptophlebiidae) with descriptions of a new species. Canadian Journal of Zoology 64: 1460-1468.

Harvey, George W. 1985. Techniques of Trout Fishing and FlyTying. Metz Hatchery.

Henry, Brad C. Jr. 1992. Phylogeny of Neochoroterpes (Ephemeroptera: Leptophlebiidae). Proceedings of the VII International Conference on Ephemeroptera, Orono, Maine.

Henry, Brad C. Jr. 1993. A revision of Neochoroterpes (Ephemeroptera: Leptophlebiidae), NEW STATUS. Transactions of the American Entomological Society 119(4): 317-333.

Hilsenhoff, W.L. 1995. Aquatic Insects of Wisconsin. Keys to Wisconsin Genera and Notes on Biology, Habitat, Distribution and Species. Natural History Museums Council Publication Number 3, University of Wisconsin-Madison. 79 p.

Hilsenhoff, William L. 1984. Identification and Distribution of Baetisca Nymphs (Ephemeroptera: Baetiscidae) in Wisconsin. Great Lakes Entomologist 17(2): 51-52.

Hubbard, Michael D. 1994. The Mayfly Family Behningiidae (Ephemeroptera: Ephemeroidea): Keys to the Recent Species with a Catalog of the Family. Great Lakes Entomologist 27(3): 161-168.

Hughes, Dave. 2002. Trout from Small Streams . Stackpole Books.

Hughes, Dave. 1995. Wet Flies. Stackpole Books.

Hughes, Dave. 2001. Matching Mayflies. Frank Amato Publications.

Hughes, Dave. 1999. Trout Flies. Stackpole Books.

Humphreys, Joseph B. 1981. Joe Humphrey's Trout Tactics. Stackpole Books.

Ide, F.P. 1935. Life history notes on Ephoron, Potomanthus, Leptophlebia, and Blasturus with descriptions (Ephemeroptera). Canadian Entomologist 67: 113-125.

Ide, F.P. 1937. Descriptions of eastern North American species of baetine mayflies with particular reference to the nymphal stages. Canadian Entomologist 69: 219-243.

Jacobus LM, McCafferty WP. 2004. Revisionary contributions to the genus Drunella (Ephemeroptera : Ephemerellidae). Journal of the New York Entomological Society 112(2-3): 127-147.

Jacobus LM, McCafferty WP. 2003. Revisionary contributions to north American Ephemerella and Serratella (Ephemeroptera : Ephemerellidae). Journal of the New York Entomological Society 111(4): 174-193.

Jacobus LM; McCafferty WP. 2002. Provancher's quebecensis mayfly species (Ephemeroptera: Leptophlebiidae, Siphlonuridae). Entomological News 113: 315-317.

Jensen, Steven L. 1974. A New Genus of Mayflies from North America (Ephemeroptera: Heptageniidae). Proceedings of the Entomological Society of Washington 76(2): 225-228.

Johnson, S.C. 1978. Larvae of Ephemerella inermis and E. infrequens. The Pan-Pacific Entomologist 54: 19-25.

Jorgensen, Poul. 1999. Salmon Flies. Stackpole Books.

Knight, Allen W. and C.A. Siegfried. 1977. The Distribution of Corydalus cornutus (Linnaeus) and Nigronia serricornis (Say) (Megaloptera: Corydalidae) in Michigan. Great Lakes Entomologist 10(2): 39-46.

Knopp, Malcolm and Robert Cormier. 1997. Mayflies: An Angler's Study of Trout Water Ephemeroptera . The Lyons Press.

Kondratieff, B.C., Voshell, J.R. 1984. The North and Central American Species of Isonychia (Ephemeroptera: Oligoneuriidae). Transactions of the American Entomological Society 110: 129-244.

Kustich, R. and Jerry Kustich. 1999. Fly Fishing for Great Lakes Steelhead - An Advanced Look at an Emerging Fishery (Hardcover) . West River Publishing.

LaFontaine, Gary. 1990. The Dry Fly: New Angles . The Lyons Press.

LaFontaine, Gary. 1981. Caddisflies. The Lyons Press.

Lee, Art. 1998. Tying and Fishing the Riffling Hitch. Human Kinetics Publishers.

Leeson, Ted and Jim Schollmeyer. 1998. The Fly Tier's Benchside Reference to Techniques and Dressing Styles. Frank Amato Publications Inc.

Lehmkuhl, D.M., and Anderson, N.H. 1971. Contributions to the Biology and Taxonomy of the Paraleptophlebia of Oregon (Ephemeroptera: Leptophlebiidae). The Pan-Pacific Entomologist 47(2): 85-93.

Leonard, Justin W. and Fannie A. Leonard. 1962. Mayflies of Michigan Trout Streams. Cranbrook Institute of Science.

Lewis, P.A. 1974. Taxonomy and ecology of Stenonema mayflies (Heptageniidae: Ephemeroptera). U.S. E.P.A., Environmental Monitoring Series EPA-670/4-74-006.

Linsenman Bob and Kelly Galloup. 1999. Modern Streamers for Trophy Trout: New Techniques, Tactics, and Patterns (Paperback) . The Countryman Press.

Lugo-Ortiz CR, McCafferty WP. 1998. A new North American genus of Baetidae (Ephemeroptera) and key to Baetis complex genera. Entomological News 109(5): 345-353.

Lugo-Ortiz CR; McCafferty WP. 1996. Contribution to the taxonomy of Callibaetis (Ephemeroptera, Baetidae) in southwestern North America And Middle America. Aquatic Insects 18: 1-9.

Lugo-Ortiz CR; McCafferty WP. 1966. Phylogeny and classification of the Baetodes complex (Ephemeroptera, Baetidae), with description of a new genus. Journal of the North American Benthological Society 15: 367-380.

Lugo-Ortiz CR; McCafferty WP; Waltz RD. 1999. Definition and reorganization of the genus Pseudocloeon (Ephemeroptera: Baetidae) with new species descriptions and combinations. Transactions of the American Entomological Society 125: 1-37.

Lugo-Ortiz, C. R., and W. P. McCafferty. 1999. Definition and reorganization of the genus Pseudocloeon (Ephemeroptera: Baetidae) with new species descriptions and combinations. Transactions of the American Entomological Society 125(1-2): 1-37.

MacQuarrie, Gordon. 1995. More Stories of the Old Duck Hunters. Willow Creek Press.

Marinaro, Vincent. 1973. A Modern Dry-Fly Code. Crown Publishers, Inc.

Marinaro, Vincent C. 1976. The Ring of the Rise. The Lyons Press.

McCafferty W.P., Bae Y.J. 1990. Anthopotamus, a new genus for North American species previously known as Potamanthus (Ephemeroptera: Potamanthidae). Entomological News 101(4): 200-202.

McCafferty WP. 2000. A hierarchical classification of the Timpanoginae (Ephemeroptera : Ephemerellidae) and description of a new species from Quebec. Annales de Limnologie 36(3): 157-161.

McCafferty WP. 2004. Contribution to the systematics of Leucrocuta, Nixe, and related genera (Ephemeroptera: Heptageniidae). Transactions of the American Entomological Society 130: 1-9.

McCafferty WP. 1002. New larval descriptions and comparisons of North American Choroterpes (Ephemeroptera: Leptophlebiidae). Great Lakes Entomologist 25: 71-78.

McCafferty WP, Jacobus LM. 2001. Revisions to Plauditus cestus and P-gloveri (Ephemeroptera : Baetidae). Entomological News 112(5): 305-310.

MCCAFFERTY WP, WANG TQ. 1994. PHYLOGENETICS AND THE CLASSIFICATION OF THE TIMPANOGA COMPLEX (EPHEMEROPTERA, EPHEMERELLIDAE). Journal of the North American Benthological Society 13(4): 569-579.

McCafferty WP; Waltz RD. 1995. Labiobaetis (Ephemeroptera: Baetidae): New status, new North American species, and related new genus. Entomological News 106: 19-28.

McCafferty WP; Waltz RD. 1990. Revisionary synopsis of the Baetidae (Ephemeroptera) of North and Middle America. Transactions of the American Entomological Society 116: 769-799.

McCafferty, W.P. 1975. The Burrowing Mayflies of the United States. Transactions of the American Entomological Society 101: 447-504.

McCafferty, W.P. 1994. Distributional and Classificatory Supplement to the Burrowing Mayflies (Ephemeroptera: Ephemeroidea) of the United States. Entomological News 105: 1-13.

McCafferty, W.P. 1983. Aquatic Entomology: The Fishermen's Guide and Ecologists' Illustrated Guide to Insects and Their Relatives. Jones and Bartlett Publishers.

McCafferty, W.Pl, and Edmunds, George F. Jr. 1973. Subgeneric Classification of Ephemera (Ephemeroptera: Ephemeridae). The Pan-Pacific Entomologist 49(4): 300-307.

McClain JP. 1979. The relationships of diel invertebrate drift to the feeding habits of brook trout. Ariz. Coop. Fish. Res. Unit, Res. Rep. 76-3, 31 p., appendix (2 figs., 6 tables).

McDunnough J. 1923. New Canadian Ephemeridae with notes. Canadian Entomologist 55: 39-50.

McDunnough J. 1921. Two new Canadian May-flies (Ephemeridae). Canadian Entomologist 53: 117-120.

McDunnough J. 1931. The eastern North American species of the genus Ephemerella and their nymphs (Ephemeroptera). Canadian Entomologist 63: 187-216.

McDunnough, J. 1929. Notes on North American Ephemeroptera with descriptions of new species, II. Canadian Entomologist 61: 169-180.

McDunnough, J. 1925. New Canadian Ephemeridae with notes. III. Canadian Entomologist 57: 168-192.

McDunnough, J. 1931. New species of North American Ephemeroptera. Canadian Entomologist 63: 82-93.

McDunnough, J. 1932. New species of North American Ephemeroptera II. Canadian Entomologist 64: 209-215.

McShaffrey D; McCafferty WP. 1990. 1990. Feeding behavior and functional morphology of the mayfly Ephemerella needhami (Ephemeroptera: Ephemerellidae). Journal of Insect Behavior 3: 673-688.

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Needham, J.G. 1927. The Rocky Mountain species of the genus Ephemerella. Annals of the Entomological Society of America 20: 107-117.

Needham, James G., Jay R. Traver, and Yin-Chi Hsu. 1935. The Biology of Mayflies. Comstock Publishing Company, Inc.

Neunzig, H.H. 1966. Larvae of the Genus Nigronia Banks. Proceedings of the Entomological Society of Washington 68(1): 11-16.

Newman, Eric. 2002. Flyfisher's Guide to New York. Wilderness Adventures Press, Inc.

Osthoff, Rich. 2001. No Hatch to Match. Stackpole Books.

Osthoff, Rich. 1999. Fly-Fishing the Rocky Montain Backcountry. Stackpole Books.

Peckarsky, Barbara. 1990. Freshwater Macroinvertebrates of Northeastern North America. Comstock Publishing.

Peper, Eric and Gary LaFontaine. 2003. Fly Fishing the Beaverkill . The Lyons Press.

Pescador, Manuel L., and Berner, Lewis. 1981. The Mayfly Family Baetiscidae (Ephemeroptera). Part II: Biosystematics of the Genus Baetisca. Transactions of the American Entomological Society 107: 163-228.

Peters, William L., and Edmunds, George F. Jr. 1970. Revision of the Generic Classification of the Eastern Hemisphere Leptophlebiidae (Ephemeroptera). Pacific Insects 12(1): 157-240.

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Provonsha, A.V. 1990. A revision of the genus Caenis in North American (Ephemeroptera: Caenidae). Transactions of the American Entomological Society 116: 801-884.

Quinn, Thomas P. 2005. The Behavior and Ecology of Pacific Salmon and Trout. University of Washigton Press.

Randolph, R.P. and W. P. McCafferty. The Mayflies (Ephemeroptera) of Alaska, Including a New Species of Heptageniidae. Proceedings of the Entomological Society of Washington 107(1): 190-199.

Rosenbauer, Tom. 2000. The Orvis Streamside Guide To Leaders, Knots, and Tippets. The Lyons Press.

Rosenbauer, Tom. 1998. The Orvis Guide to Reading Trout Streams. The Lyons Press.

Rosenbauer, Tom. 2000. The Orvis Guide to Prospecting for Trout . The Lyons Press.

Schollmeyer, Jim. 2001. Nymph Fly-Tying Techniques . Frank Amato Publications.

Schwiebert, Ernest. 1973. Nymphs. Wichester Press.

Schwiebert, Ernest. 1990. The Compleat Schwiebert . Dutton Adult.

Schwiebert, Ernest. 1984. Death of a Riverkeeper . Creative Arts Book Company.

Schwiebert, Ernest G. 1978. Trout. E.P. Dutton.

Schwiebert, Ernest G. 1984. Remembrances of Rivers Past. Donald S. Ellis.

Schwiebert, Ernest G. 1955. Matching the Hatch. MacMillan Publishing Company.

Schwiebert, Ernest G. 2007. Nymphs Volume I: The Mayflies: The Major Species. The Lyons Press.

Schwiebert, Ernest G. 2007. Nymphs Volume II: Stoneflies, Caddisflies, and Other Important Insects: Including the Lesser Mayflies. The Lyons Press.

Scott, Jack. 1982. Greased Line Fishing for Salmon [and Steelhead]. Frank Amato Publications.

Spieth, H.T. 1940. The genus Ephoron. Canadian Entomologist 72: 109-111.

Spieth, Herman T. 1941. Taxonomic Studies on the Ephemeroptera II. The Genus Hexagenia. The American Midland Naturalist 26(2): 233-280.

Spieth, Herman T. 1947. Taxonomic Studies on the Ephemeroptera IV. The Genus Stenonema. Annals of the Entomological Society of America 40: 87-122.

Stalcup, Shane. 2002. Mayflies "Top to Bottom" . Frank Amato Publications.

Stehr, Frederick W. 1998. Immature Insects. Kendall/Hunt Publishing Company.

Stewart, K.W., G.P. Friday, and R.E. Rhame. 1973. Food Habits of Hellgrammite Larvae, Corydalis cornutus (Megaloptera: Corydalidae), in the Brazos River, Texas. Annals of the Entomological Society of America 66(5): 959-963.

Streeter, Robert W. 2000. New York Fly-Fishing Guide. Frank Amato Publishers.

Supinski, Matt. 2001. Steelhead Dreams: The Theory, Method, Science and Madness of Great Lakes Steelhead Fly Fishing (Paperback) . Frank Amato Publications.

Swisher, Doug and Carl Richards. 1991. Emergers . The Lyons Press.

Swisher, Doug and Carl Richards. 2000. Selective Trout. The Lyons Press.

Thomas C. Grubb Jr. 2003. The Mind of the Trout. University of Wisconsin Press.

Thurston, Jay. 2005. Following in the Footsteps of Ernest Hemingway. Savage Press.

Tiunova TM; Kluge NJ; Ishiwata S-I. 2004. Revision of the East Palaearctic genus Isonychia (Ephemeroptera: Isonychiidae). Canadian Entomologist 136: 1-41.

Usinger, R.L. 1956. Aquatic Insects California, with keys to North American Genera and California species. University of California Press.

Waltz R.D., McCafferty W.P. 1997. New generic synonyms in Baetidae. Entomological News 108(2): 134-140.

Waltz R.D., McCafferty W.P. 1987. of Pseudocloeon, Acentrella, Baetiella, and Libebiella, new genus (Ephemeroptera: Baetidae). Journal of the New York Entomological Society 96(4): 553-568.

Waltz, R.D., McCafferty W.P. and J.H. Kennedy. 1989. Barbaetis, a new genus of eastern Nearctic mayflies (Ephemeroptera: Baetidae). Great Lakes Entomologist 18: 161-165.

Wiersema, N.A., and McCafferty, W.P. 2000. Generic Revision of the North and Central American Leptohyphidae (Ephemeroptera: Pannota). Transactions of the American Entomological Society 126(3-4): 337-371.

Wright, Leonard M. Jr. 1972. Fishing the Dry Fly as a Living Insect . E.P. Dutton & Co., Inc.

Zloty J, Harper F. 1999. Two new Ameletus mayflies (Ephemeroptera : Ameletidae) from western North America. Canadian Entomologist 131(1): 1-9.

Zloty, J. 1996. A revision of the nearctic Ameletus mayflies based on adult males, with descriptions of seven new species (Ephemeroptera: Ameletidae). Canadian Entomologist 128(2): 293-346.