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<br />LITERATURE CITED
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<br />01 Pennak, R. W. 1989. Freshwater invertebrates of the United States, Third edition John Wiley and Sons, Inc,
<br />New York, 628P.
<br />
<br />02 Klemm, D. J. 1972. Freshwater leeches (Annelida: Hirundinea of North America.
<br />
<br />03 Hiltunen, J. K. and D. J. Klemm. 1980. A guide to the Nididae (Annelida: Clitellata: Oligochaeta) of North
<br />America U.S. Environmental Protection Agency, Cincinnati, Ohio 48 pages.
<br />
<br />04 Foster, N. 1976. Freshwater Polycheates (Annelida) of North America U_S. Enviromental Protection Agency,
<br />Cincinnati, Ohio. 15 pages.
<br />
<br />05 Smith, I. S. and D. R. Cook in Thorp, J. H. and A. P. Covich (editors). 1991. Water Mites, Chapter 16, pages
<br />523-592 in Ecology and Classification of North American Freshwater Invertebrates. Academic Press, Inc., San
<br />Diego, CA
<br />
<br />06 Hobbs III, H. H. in Thorp J. H. and A. P. Covich (editors). 1991 Decapoda, Chapter 22, pages 823-858 in
<br />Ecology and Classification of Freshwater Inverebrates. Academic Press, Inc., San Diego, CA
<br />
<br />07 Williams, W. D. 1976 Freshwater Isopods (Asellidae) of North America U. S. EPA, Cincinnati, Ohio. 45 pages.
<br />
<br />08 Covich, A. P. and J. H. Thorp in Thorp, J. H. and A. P. Covich 1991 Crustacea: Introduction and Pericarida,
<br />Chapter 18, pages 665-689 in Ecology and Classification of North American Freshwater Invertebrates. Academic
<br />Press, Inc. San Diego, CA
<br />
<br />09 Dodson, S. I. and D. G. Frey in Thorp, J. H. and A. P. Covich 1991 Cladocera and Other Branchiopoda, Chapter
<br />20, pages 723-786 in Ecology and Classification of North American Freshwater Invertebrates. Academic Press,
<br />Inc. San Diego, CA
<br />
<br />10 White, D. S., W. U. Brigham, and J.T. Doyen in Merritt, R. W. and Kenneth W. Cummins (editors). 1984. Aquatic
<br />Coleoptera, Chapter 19, pages 361.437 in An Introduction to the Aquatic Insects of North America, Second
<br />Edition. Kendall/Hunt Publishing Co., Dubuque, Iowa.
<br />
<br />11 Brown, H. P. 1976. Aquatic Dryopoid beetles (Coleoptera) of the United States. U. S. EPA. Cincinnati, Ohio.
<br />82 pages.
<br />
<br />12 Waltz, R. D. and W. P. McCafferty. 1979 Freshwater Springtails (Hexapoda: Collembola) of North America.
<br />Purdue University Ag. Experiment Station Res. Bulletin 960. Laffayette, Indiana
<br />
<br />13 Tesky, H. J. in Merritt, R. W. and Kenneth W. Cummins. 1984. Aquatic Diptera, Part One. Chapter 21, pages
<br />448-466 in An Introduction to the Aquatic Insects of North America, Second Edition. Kendall/Hunt Publishing
<br />Co., Dubuque, Iowa.
<br />
<br />14 Merritt, R. W. and E. I. Schlinger in Merritt, R. W. and Kenneth W. Cummins (editors). 1984 Aquatic Diptera,
<br />Part Two. Chapter 21, pages 467-490 in An Introduction to the Aquatic Insects of North America, Second Edition.
<br />Kendall/Hunt Publishing Co., Dubuque, Iowa.
<br />
<br />15 Johannsen, O. A. 1977. Aquatic Diptera: Eggs, Larvae, and Pupae of Aquatic Flies. Published by the
<br />University, Ithaca, N.Y. 210 pages.
<br />
<br />16 Wiederholm, T. (editor) 1983. Chironomidae of the Holarctic Region. Entomologica Scandinavica. 457 pages.
<br />
<br />17 Darsic, R. F. Jr. and R. A. Ward. 1981. Identification and Geographical Distribution of the Mosquitoes of
<br />North America North of Mexico. American Mosquito Control Assoc., Fresno, CA. 313 pages.
<br />
<br />18 Edmunds, G. F., Jr. in Merritt, R. W. and Kenneth W. Cummins (editors). 1984. Ephemeroptera, Chapter 10 pages
<br />94-125 in An Introduction to the Aquatic Insects of North America, Second Edition. Kendall/Hunt Publishing Co.
<br />Dubuque, Iowa.
<br />
<br />19 Edmunds, G. F., Jr., S. L. Jensen and L. Berner. 1976. The Mayflies of North 'and Central America. North
<br />Central Publishing Co., St. Paul, MN. 330 pages.
<br />
<br />20 Polhemus,J. T. in Merritt, R. W. and K. W. Cummins. 1984. Aquatic and Semiaquatic Hemiptera, Chapter 14, pages
<br />231.260 in An Introduction to the Aquatic Insects of North America, Second Edition. Kendall/Hunt Publishing
<br />Co., Dubuque, Iowa.
<br />
<br />21 Lange, W.H. in Merritt, R. W. and Kenneth W. Cummins. 1984. Aquatic and Semi aquatic Lepidoptera, Chapter 18,
<br />pages 348-360 in An Introduction to the Aquatic Insects of North America, Second Edition. Kendall/Hunt
<br />Publishing Co., Dubuque, Iowa.
<br />
<br />22 Evans, E. D. and H. H. Neunzig in Merritt, R. W. and Kenneth W. Cummins (editors). 1984. Megaloptera and
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