NORTH AMERICA
Robert Michael Pyle   National Audubon Society   FIELD GUIDE TO NORTH AMERICAN BUTTERFLIES   1981, 1995 Alfred A. Knopf, New York, NY, USA
James A. Scott   THE BUTTERFLIES OF NORTH AMERICA  (A Natural History and Field Guide)   1986, Stanford University Press, Stanford, CA, USA
John Feltwell   BUTTERFLIES OF NORTH AMERICA (American Nature Guides)   1992, Smithmark, New York, NY, USA
W.J. Holland   THE MOTH BOOK (A Guide To The Moths of North America)   1968, Dover Publications, New York, NY, USA
James A. Ebner   THE BUTTERFLIES OF WISCONSIN   1970, Milwaukee Public Museum, Milwaukee, WI, USA
Paul R. & Anne H. Ehrlich   HOW TO KNOW BUTTERFLIES   1961, W. C. Brown Company Publishers, Dubuque, IO, USA
Patti & Milt Putnam   NORTH AMERICA'S FAVORITE BUTTERFLIES (Pictorial Guide)   1997, Willow Creek Press, Minocqua, WI, USA
Jeffrey Glassberg   BUTTERFLIES THROUGH BINOCULARS the east (A Field Guide to the Butterflies of Eastern North America)   1999, Oxford University Press, New York, NY, USA
Peterson Field Guides, Houghton Mifflin Company, Boston, MA, USA
         Alexander B. Klots   EASTERN BUTTERFLIES   1951
         Paul A. Opler   EASTERN BUTTERFLIES   1998
         Roger Tory Peterson   WESTERN BUTTERFLIES
         Paul A. Opler & Amy Bartlett Wright   WESTERN BUTTERFLIES   1999
         Charles V. Covell,Jr.   MOTHS OF EASTERN NORTH AMERICA   1984, 2005
Rick Mikula   GARDEN BUTTERFLIES OF NORTH AMERICA (A Gallery of Garden Butterflies & How to Attract Them)   1997, Willow Creek Press, Minocqua, WI, USA
Donald & Lillian Stokes & Ernest Williams   THE BUTTERFLY BOOK ( An Easy Guide to Butterfly Gardening, Identification and Behavior)   1991, Little, Brown & Company
John S. Garth & J.W. Tilden   CALIFORNIA BUTTERFLIES (California National History Guides)   1986, University of California Press, Berkeley, CA, USA and London, Britain
Thomas C. Emmel & Marc C. Minno & Boyce A. Drummond   FLORISSANT BUTTERFLIES ( A Guide to the Fossil and Present-Day Species of Central Colorado)   1992, Stanford University Press, Stanford, CA, USA
Richard A. Bailowitz & James P. Brock   BUTTERFLIES OF SOUTHEASTERN ARIZONA   1991, Sonaran Arthropod Studies, Tucson, AZ, USA.
John Acorn   BUTTERFLIES OF ALBERTA   1993
C.R. Beutelpacher Baigts   MARIPOSAS DE MEXICO (Fascicle 1, Introduction & General Information, Superfamily Papilionoidea, Family Papilionidae)   1984 (In Spanish)
C.D. Bird   ALBERTA BUTTERFLIES   1995
J.W. Brown & H.G. Real & .K. Faulkner   THE BUTTERFLIES OF BAJA CALIFORNIA (A Faunal Survey)   1992
Wanda Dameron   SEARCHING FOR BUTTERFLIES IN SOUTHERN CALIFORNIA   1996
R. de la Maza   MARIPOSAS MEXICANAS (Guia Para Su Colecta y Determinacion)   1987 (In Spanish)
A. de la Maza & D.R. Turrent   MEXICAN LEPIDOPTERA (Eurytelinae 1)   1985
Vincent G. Dethier   THE WORLD OF THE TENTMAKERS (A Natural History of the Eastern Tent Caterpillar)   1980
Clifford D. Ferris & F. Martin Brown   BUTTERFLIES OF THE ROCKY MOUNTAIN STATES   1980, 1981  University of Oklahoma Press, Norman, Oklahoma, USA
Thomas C. & John F. Emmel   THE BUTTERFLIES OF SOUTHERN CALIFORNIA   1973  Natural History Museum of Los  Angeles Co, Los Angeles, CA, USA
William T.M. Forbes   LEPIDOPTERA OF NEW YORK AND NEIGHBORING STATES   Cornell University.
        Part 2, Geometridae, Sphingidae, Notodontidae, Lymantriiade   1948
        Part 3, Noctuidae   1954
         Part 4, Agaristidae through Nymphalidae   1960
FAMILIAR BUTTERFLIES OF NORTH AMERICA (Audubon Society Field Guide)   1990
Pamela Forey & Cecilia Fitzsimons   AN INSTANT GUIDE TO BUTTERFLIES   1987, 2001
J.S. Garth   YOSEMITE BUTTERFLIES   1963
E.J. Gerberg  & R.H. Arnett, Jr.  FLORIDA BUTTERFLIES   1989, 1986   Natural Science Publications, Baltymore, Maryland, USA.
Michael Gochfeld & Joanna Burger   BUTTERFLIES OF NEW JERSEY  : A Guide to their Status, Distribution, Conservation & Appreciation  1997, Rutgers University Press, New Brunswick, NJ, USA.
J.R. & J.E. Heitzman   BUTTERFLIES AND MOTHS OF MISSOURI   1996, 1987   Missoury Department of Conservation, Jefferson City, Missoury, USA.
J.Heppner  THE SEDGE MOTHS OF NORTH AMERICA (Lepidoptera, Glyphipterigidae)   1985
John Hinchliff   AN ATLAS OF OREGON BUTTERFLIES   1994
John Hinchliff   AN ATLAS OF WASHINGTON BUTTERFLIES   1996
Ronald W. Hodges & Tatiana Dominick   CHECKLIST OF THE LEPIDOPTERA OF AMERICA NORTH OF MEXICO   1983
D.C. Iftner & J.A. Shuey & J.V. Calhoun   BUTTERFLIES AND SKIPPERS OF OHIO   1992, The Ohio State University, Coumbus, Ohio, USA.
Paul Klassen & R. Westwood & B. Preston & B. McKillop   THE BUTTERFLIES OF MANITOBA   1989, Museum of Man and Nature, Winnipeg, Manitoba, Canada.
S.B. Malcolm & M.P. Zalucki   BIOLOGY AND CONSERVATION OF THE MONARCH BUTTERFLY  1993
Millie Miller & Cyndi Nelson   PAINTED LADIES: Butterflies of North America   1993
M.C.Minno & T.C.Emmel   BUTTERFLIES OF THE FLORIDA KEYS   1993, Scientific Publishers, Gainesville, FL, USA.
Robert T. Mitchell & Herbert S. Zim   BUTTERFLES AND MOTHS (A Guide to the More Common American Species)  1987,1964,1962, Golden Nature Guide, Golden Nature Press, New York, N.Y., USA.
Arthur H. Moeck   GEOGRAPHIC VARIABILITY IN SPEYERIA (Comments, Records and Description of a New Subspecies (Nymphalidae))   1975
Ronald W.Hodges   THE MOTHS OF AMERICA NORTH OF MEXICO
Classey & R.B.D. Publications, Washington, USA.
    Sesioidea
         Volume 05.1:SESIIDAE   1988
    Gelechioidea
         Volume 06.2: COSMOPTERIGIDAE   1978
         Volume 06.2:OECOPHORIDAE   1974
         Volumes 07.1 & 07.6:GELECHIIDAE   Part 1 1986 ,  Part 2 1999
    Tortricoidea
         Volume 8.1:  TORTRICIDAE (Part)   2012
    Pyraloidea
         Volumes 13.1 A-C  (1972-74)& 13.2 A-B  (1976) ; Volumes 15.2 (1986), 15.3 (1990), 15.4                                 (1997), 15.5 (2002) PYRALIDAE  
    Geometroidea
         Volume 17.2: GEOMETRIDAE  2008 (Part),  Volume 18.1: GEOMETRIDAE   1985 (Part)
    Mimallonoidea& Bombycoidea (excluding Saturniidae)
         Volume 20.1: MIMALONIDAE, APATELODIDAE, BOMBYCIDAE,                  
             LASIOCAMPIDAE   1973
    Bombycoidea
         Volumes 20.2 A-B: SATURNIIDAE   Part 1 1971,   Part 2 1972
    Sphingoidea
         Volume 21: SPHINGIDAE   1971
    Noctuidea
         Volume 22.2: LYMANTRIIDAE   1978
         Volumes 25.1 (1991), 26.1 (1995), 26.9 (2009), 27.1 (2004), 27.2 (1987) , 27.3 (1998) 
           NOCTUIDAE  
Christopher D. Nagano   A BIBLIOGRAPHY OF THE MONARCH BUTTERFLY   1991
Raymond W. Neck   A FIELD GUIDE TO BUTTERFLIES OF TEXAS   1996, Gulf Publishing Co., Houston, TX ,USA.
North American Butterfly  Association   NABA CHECKLIST & ENGLISH NAMES OF NORTH AMERICAN  BUTTERFLIES   1995, 2001, NABA, NJ, USA.
Paul A. Opler   PETERSON FIRST GUIDE: BUTTERFLIES AND MOTHS (A Simplified Field Guide to the  More Common  Butterflies and Moths of North America)   1994
Amy B. Wright   PETERSON FIRST GUIDE: CATERPILLARS (A Simplified Field Guide to the Caterpillars of Common Butterflies and Moths of North America )   1993
Paul A. Opler & George O. Krizek   BUTTERFLIES EAST OF THE GREAT PLAINS (An Illustrated Natural History)   1984  Jonn Hopkins University Press, Baltimore, Maryland, USA.
R.W. Rings & E.H. Metler & F.J. Arnold & D.H.Harris   THE OWLET MOTHS OF OHIO (Lepidoptera, Noctuidae)   1992
Ronald Alan Royer   BUTTERFLIES OF NORTH DACOTA (An Atlas and Guide)   1988, 2003 Minot State University, Minot, ND, USA.
Theodore D. Sargent   LEGION OF NIGHT (The Underwing Moths)   1976, University of Massachusets Press, Amherst, MA, USA.
Ernest M. Shull   THE BUTTERFLIES OF INDIANA   1987, Indiana Academy of Science/Indiana University Press, Bloomington, Indiana, USA.
Arthur M. Shapiro   BUTTERFLIES AND SKIPPERS OF NEW YORK STATE   1974, Cornell University, Ithaca, NY, USA.
R.E. Stanfors & Paul A. Opler   ATLAS OF WESTERN BUTTERFLIES (Including Adjacent Parts of Canada and Mexico)   1993
Harrison M. Tietz   AN INDEX TO THE DESCRIBED LIFE HISTORIES, EARLY STAGES AND HOSTS OF THE MACROLEPIDOPTERA OF THE CONTINENTAL U.S. AND CANADA   1972
Micael E. Tolliver & R. Holland   DISTRIBUTION OF BUTTERFLIES IN NEW MEXICO (Lepidoptera, Hesperioidea and Papilionioidea)   1994
P.M. Tuskes & J.P. Tuttle & M. Collins   THE WILD SILK MOTHS OF NORTH AMERICA (A Natural History of the Saturniidae of the United States and Canada)   1996,Comstock.
John & Gloria Tveten   BUTTERFLIES OF HOUSTON AND SOUTHEAST TEXAS   1996, University of Texas Press, Austin, TX, USA.
Kirby L. Wolfe   THE COPAXA OF MEXICO (and Their Immature Stages - Lepidoptera, Saturnniidae)  1993
Elton N. Woodbury   BUTTERFLIES OF DELMARVA   1993
Larry J. Orsak   THE BUTTERFLIES OF ORANGE COUNTY, CALIFORNIA   1977, University of California Press, Irvine, CA, USA.
Patricia Taylor Sutton & Clay Sutton   HOW TO SPOT BUTTERFLIES   1999, Houghton Mifflin Company, Boston
Geyata Ajilvsgi   BUTTERFLY GARDENING FOR THE SOUTH (Cultivating Plants that Attract Butterflies)   1990
BUTTERFLY GARDENING (Creating Summer Magic in Your Garden)   1990
HOW TO ATTRACT HUMMINGBIRDS AND BUTTERFLIES   1991
Alcinda Lewis   BUTTERFLY GARDENS (Luring Nature's Loveliest Pollinators to Your Yard)   1995
Jane Ruffin   WHERE ARE THE BUTTERFLY GARDENS ?   1993
Marcus Schneck   CREATING A BUTTERFLY GARDEN (A Guide to Attracting and Identifying Butterfly Visitors )   1993
Jerry Sedenko   THE BUTTERFLY GARDEN (Creating Gardens to Attract Beautiful Butterflies )   1991
Mathew Tekulsky THE BUTTERFLY GARDEN (Turning Your Garden, Window Box or Back Yard into a Beautiful Home for Butterflies )    1985, The Harvard Common Press, Boston, Massachusets, USA.
Tomas J. Allen   THE BUTTERFLIES OF WEST VIRGINIA AND THEIR CATERPILLARS   1997
Richard Bailowitz & Douglas Danforth   70 COMMON BUTTERFLIES OF THE SOUTHWEST   1997
Grace H.Brown   CHASING BUTTERFLIES IN THE COLORADO ROCKIES WITH THEODORE MEAD IN 1871   As Told Through His Letters   1996
Michael M. Collins   GENETICS AND ECOLOGY OF A HYBRID ZONE IN HYALOPHORA (SATURNIIDAE)   1984
Charles V. Covell, Jr.   THE BUTTERFLIES AND MOTHS OF KENTUCKY (An Annotated Checklist)   1999
Laurence L. Crabtree   DISCOVERING THE BUTTERFLIES OF LASSEN VOLCANIC NATIONAL PARK   1998
Thomas C. Emmel   FLORIDA'S FABULOUS BUTTERFLIES   1997
Thomas C. Emmel   SYSTEMATICS OF WESTERN NORTH AMERICAN BUTTERFLIES   1998
Eric S. Grace   THE WORLD OF THE MONARCH BUTTERFLY   1997
Paul Hicks   PHOTOGRAPHING BUTTERFLIES AND OTHER INSECTS   1997
Antony M. Holmes   THE ONTARIO BUTTERFLY ATLAS   1991,Toronto Entomologists' Association, Toronto, Ontario, Canada.
R.A. Layberry & P.W. Hall & J.D. Lafontaine   THE BUTTERFLIES OF CANADA   1998, University of Toronto Press Incorporated, Toronto, Canada.
Charles P. Kimball   LEPIDOPTERA OF FLORIDA   1965   Division of Plant Industry, Florida Department of Agriculture, Gainesville, Florida, USA.
Paul A. Opler   LEPIDOPTERA OF NORTH AMERICA
    1. Distribution of Silkmoths and Haukmoths of Eastern North America   1995
    2. Distribution of Butterflies of the Eastern North United States   1985
MOTH OF WESTERN NORTH AMERICA
    1.Distribution of Saturniidae of Western North America   1993
    2.Distribution of Sphingidae of Western North America   1995
    3.Distribution of "Oecophoridae"(sense of Hodges 1983) of Western North America   1996
    4.Distribution of Arctiidae of Western North America   2000?
Karen Oberhauser & Kristen Kuda   A FIELD GUIDE TO MONARCH CATERPILLARS (Danaus plexippus)   1997
Paul A. Opler & Amy Bartlett Wright   PETERSON FLASH GUIDES: BUTTERFLIES   1999
Robert Michael Pyle   CHASING MONARCHS (Migrating with the Butterflies of Passage)   1999
Hamilton A. Tyler & K.S.Brown, Jr. & K.Wilson   SWALLOWTAIL BUTTERFLIES OF THE AMERICAS   1994, Scientific Publishers, Gainesville, FL, USA.
Bob Stewart   COMMON BUTTERFLIES OF CALIFORNIA   1997
Nigel Venters   THE COMMERCIAL BUTTERFLY BREEDER'S MANUAL   1999
Alan Wormington   THE BUTTERFLIES OF POINT PELEE NATIONAL PARK (A Seasonal Guide and Checklist)   1998
ATTRACT BUTTERFLIES (5 Minutes to Attracting Butterflies to Your Garden and Yard)   1998
Better Homes & Gardens  NATURE'S GARDENS: Create a Haven for Birds,Butterflies - and Yourself   1995
BUTTERFLY GARDENING IN SOUTHERN CALIFORNIA   `1999
Barbara Ellis   ATTRACTING BIRDS & BUTTERFLIES (How to Plant a Backyard Habitat to Attract Hummingbirds and Other Winged Wildlife)   1997
Thomas C. Emmel   BUTTERFLY GARDENING (Creating a Butterfly Haven in Your Garden)   1997
Marc C. Minno & Maria Minno   FLORIDA BUTTERFLY GARDENING (A Complete Guide to Attracting, Identifying and Enjoying Butterflies of the Lower South)   1999
Warren Schultz   FOR YOUR GARDEN (Bird and Butterfly Gardens)   1996
W.J. Holland   THE BUTTERFLY BOOK   1931   Doubleday, Garden City, N.Y., USA.
William H. Howe   THE BUTTERFLIES OF NORTH AMERICA   1975 , Doubleday, Garden City, USA
F. Martin Brown & Donald Eff & Bernard Rotger   COLORADO BUTTERFLIES   1957  Denver Museum of Natural History, Denver, CO, USA
James R. Christensen   A FIELD GUIDE TO THE BUTTERFLIES OF THE PACIFIC NORTHWEST   1981  University Press of Idaho, Moscow, Idaho, USA
John Adams Comstock   BUTTERFLIES OF CALIFORNIA   1927  Los Angeles, CA, USA
Ernst J. Dornfeld   THE BUTTERFLIES OF OREGON   1980  Timber Press, Forest Grove, Oregon, USA
Ronald R. Hooper   THE BUTTERFLIES OF SASKATCHEWAN   1973  Museum of Natural History, Regina, Saskatchewan, Canada
William A. Neill & Douglas J. Hepburn   BUTTERFLIES AFIELD IN THE PACIFIC NORTHWEST   1976, Pacific Search Books, Seattle, Washington, USA
Fred A. Urquhart   THE MONARCH BUTTERFLY : International Traveler  1960, 1987 University of Toronto Press, Toronto, Canada & Nelson Hall, Chicago, IL, USA.
Hamilton A. Tyler   THE SWALLOWTAIL BUTTERFLIES OF NORTH AMERICA   1975  Naturegraph Publishers, Happy Camp, CA, USA.
Ian Harman   COLLECTING BUTTERFLIES AND MOTHS   1954  John de Graff, New York, NY, USA
J. H. & A.B. Comstock   HOW TO KNOW THE BUTTERFLIES   1936,1929, Ithaca, N.Y., USA.
R.W. Macy & H.H.Shepard   BUTTERFLIES   1941, University of Minnesota Press, Minneapolis, MN, USA.
Lucien Harris,Jr.  BUTTERFLIES OF GEORGIA   1972, University of Oklahoma Press, Norman, Oklahoma, USA.
A.Shapiro   BUTTERFLIES OF THE DELAWARE VALLEY   1966, American Entomological Society, Philadelphia, USA.
W.H.Edwards   THE BUTTERFLIES OF NORTH AMERICA  (3 Volumes) 1868-1897, American Entomological Society, Philadelphia, USA.
S.H.Scudder   THE BUTTERFLIES OF THE EASTERN UNITED STATES WITH SPECIAL REFERENCE TO NEW ENGLAND  Volumes 1-3, 1889, Cambridge, Massachusets, USA.
J.Abbot & J.A.Smith   THE NATURAL HISTORY OF THE RARER LEPIDOPTEROUS INSECTS OF GEORGIA   1797, T.Bensley, London, Britain.
Joe Brewer & Dave Winter   BUTTERFLIES AND MOTHS: A COMPANION TO YOUR FIELD GUIDE   1986, Prentice Hall, New York, N.Y., USA.
A.H.Clark   THE BUTTERFLIES OF THE DISTRICT OF COLUMBIA AND VICINITY   1932, U.S.Government Printing Office, Washington, D.C. USA.
D.C.Ferguson   THE LEPIDOPTERA OF NOVA SCOTIA   1955, Nova Scotia Museum of Science, Halifax, Nova Scotia, Canada.
B.Lenczewski   BUTTERFLIES OF EVERGLADES NATIONAL PARK   1980, National Park Service, Homestead, Florida, USA.
C.J.Maynard   A MANUAL OF NORTH AMERICAN BUTTERFLIES   1881, DeWolfe & Fiske, Boston, USA.
L.D.Miller   AFIELD GUIDE TO THE BUTTERFLIES OF CANADA AND ALASKA   1991, Domino, London.
Paul A.Opler   BUTTERFLIES OF EASTERN NORTH AMERICA AND GREENLAND   1992, Houghton Mifflin, Boston, Massachusets, USA.
Robert Michael Pyle   WATCHING WASHINGTON BUTTERFLIES  Trailside Series, 1974, Seattle Audubon Society, Seattle, Washington, USA. 
Robert Michael Pyle   THE AUDUBON SOCIETY HANDBOOK FOR BUTTERFLY WATCHERS   1984, Scribner's, New York, NY, USA.
A.A.Saunders   BUTTERFLIES O ALLEGANY STATE PARK   1932, University of the State of New York, Albany, NY, USA.
S..Scudder   BRIEF GUIDE TO THE COMMONER BUTTERFLIES OF THE NORTHERN UNITED STATES AND CANADA   1893, Henry Holt, New York, NY, USA.
P.D.Stiling   FLORIDA'S BUTTERFLIES AND OTHER INSECTS   1989, Pineapple Press, Sarasota, FL, USA.
H.M.Tietz   THE LEPIDOPTERA OF PENNSYLVANIA: A Manual   1952, Pennsylvania Agricultural Experimental Station/Pennsylvania State College School of Agriculture, University Park, PA, USA.
J.W. Tilden   BUTTERFLIES OF THE SAN FRANCISCO BAY REGION   1965, University of California Press, Berkeley and Los Angeles, CA, USA.
J.W.Tilden & A.C.Smith   A FIELD GUIDE TO WESTERN BUTTERFLIES   1986, Houghton Mifflin, Boston, Massachusets, USA.
Jeffrey Glassberg   BUTTERFLIES THROUGH BINOCULARS  (A Field Guide to Butterflies in the Boston-New York-Washington Region )  1993, Oxford University Press, New York, NY, USA.
H.LeGrand, Jr.   THE BUTTERFLIES OF NORTH CAROLINA
C.Leahy & R.Walton & B.Cassie   BUTTERFLIES OF MASSACHUSETS   Massachusets Audubon Society, Concord, Massachusets, USA.
Robert Michael Pyle   HANDBOOK FOR BUTTERFLY WATCHERS   1992, Houghton-Mifflin, New York, NY, USA.
Stephen G. Williams   THE BUTTERFLIES AND SKIPPERS OF SOUTHEAST TEXAS   1990, Houston, TX, USA.
Richard Walton   FAMILIAR BUTTERFLIES   1990, Alfred A.Knopf, New York, NY, USA.
M.M.Collins & R.D.Weast   WILD SILK MOTHS OF THE U.S.   1961, Collins Radio Company, Cedar Rapids, Iowa, USA.
Bianca Lavies   MONARCH BUTEERFLIES  (Mysterious Travelers)   1992, `Dutton Children's Books, New York, NY, USA.
D.C Ferguson   THE MOTHS OF AMERICA NORTH OF MEXICO   1971, E.W.Classey Ltd. & R.B.D. Publications, London, Britain.
C. Lemaire   REVISION DU GENRE AUTOMERIS HUBNER (LEP. ATTACIDAE)   1974, 3 volumes.
C. Lemaire   LES ATTACIDAE AMERICAINS (=SATURNIIDAE), ARSENURINAE   1980, Published by the author, Heuilly-sur-Seine.
C. Lemaire   THE SATURNIIDAE OF AMERICA
    Volume1: Attacinae  1978
    Volume2: Arsenurinae   1980
    Volume3: Ceratocampinae   1988
Adamsky & Brown   MORPHOLOGY & SYSTEMATICS OF NORTH AMERICAN BLASTOBASIDAE ( GELECHIOIDEA)   1989
J. Bouseman & J. Sternberg   FIELD GUIDE TO BUTTERFLIES OF ILLINOIS   2001
C.S. Guppy & J.H. Shepard   BUTTERFLIES OF BRITISH COLUMBIA (Including Western Alberta, Southern Yukon, the Alaska Panhandle, Washington)   2001
G.S. Robinson & P.R. Ackery & I.J. Kitching & G.W. Beccaloni & L.m. Hernandes   HOSTPLANTS OF THE MOTH & BUTTERFLY CATERPILLARS OF AMERICA NORTH OF MEXICO   2002
Jeffrey C. Miller & Paul C. Hammond   MACROMOTHS OF NORTHWEST FORESTS & WOODLANDS   USDA Forest Service, USA
David L. Wagner & others   GEOMETROID CATERPILLARS OF NORTHEASTERN & APPALACHIAN FORESTS   USDA Forest Service, USA
Jeffrey Miller   CATERPILLARS OF PACIFIC NORTHWEST FORESTS & WOODLANDS   USDA Forest Service, USA
David Wagner & others   CATERPILLARS OF EASTERN FORESTS   USDA Forest Service, USA
Josleen Wilson   NORTH AMERICAN BUTTERFLIES   The National Audubon Society Collection Series 1991, Gramercy Books, New York, NY, USA
General
Moths
Canada
Mexico
Gardening etc.
Monarchs
Arizona
Colorado
California
D.C.
Florida
Georgia
Illinois
Indiana
Kentucky
Massachusets
Missouri
New Jersey
New Mexico
New York
North Carolina
North Dakota
Ohio
Oregon
Pennsylvania
Texas
Washington
Roland H.Wauer   BUTTERFLIES OF THE LOWER RIO GRANDE VALLEY   2004, Johnson Books, Boulde, CO, USA
West Virginia
Wisconsin
Delaware
West
East
Charles Bordelon & Ed Knudson   ILLUSTRATED CHECKLIST OF LEPIDOPTERA OF THE LOWER RIO GRANDE VALLEY  Part1: Butterflies,   2002, Texas Lepidoptera Survey, Houston, TX, USA.
Jim P.Brock & Kenn Kaufman   BUTTERFLIES OF NORTH AMERICA   2003, Houghton Mifflin Co., New York, NY, USA. 
Bob Stewart & Hank & Priscilla Brodkin   BUTTERFLIES OF ARIZONA: a Photographic Guide, 2001, West Coast Lady Press, Arcata, CA, USA.
Ralph W.Macy & Harold H.Shepard   BUTTERFLIES: A Handbook of the Butterflies of the United States, Complete for the Region North of Potomac & Ohio Rivers & East of the Dakotas   1941, University of Minnesota Press, Minneapolis, MN, USA.
Ray F. Morris   BUTTERFLIES & MOTHS OF NEWFOUNDLAND & LABRADOR   1980, Agriculture Canada, Hull
Marcus Schneck   BUTTERFLIES: HOW TO IDENTIFY & ATTRACT THEM TO YOUR GARDEN   1990, Rodale Press, Emmaus, PA, USA.
James S.Ayars & Milton W.Sanderson   BUTTERFLIES, SKIPPERS & MOTHS   1964, Whitman, Racine, WI, USA.
Jeffrey Glassberg   A GUIDE TO THE BUTTERFLIES OF THE WASHINGTON - NEW YORK - BOSTON CORRIDOR: How to Find & Identify Them in the Field  1992, Cornell University Press, Ithaca, NY, USA.
Gene S.Porter   MOTHS OF THE LIMBERLOST   1912, Doubleday, Page, New York, NY, USA.
William Neill   The Guide to BUTTERFLIES OF OREGON & WASHINGTON   2001 Westcliffe Publishers, Englewood, CO, USA.
William Neill   The Guide to BUTTERFLIES OF OREGON & WASHINGTON   2001 Westcliffe Publishers, Englewood, CO, USA.
Robert Pyle   THE BUTTERFLIES OF CASCADIA: A Field Guide to All the Species of Washington, Oregon and Surrounding Territories    2002, Seattle Audubon Society, Seattle, Washington, USA.
M.C.Dickerson   MOTHS & BUTTERFLIES   1901, Ginn-Athenaeum Press, Boston, MA, USA.
Jeffrey C.Miller & Paul C.Hammond   LEPIDOPTERA OF THE PACIFIC NORTHWEST:CATERPILLARS & ADULTS   2003, USDA Forest Service, USA.
Chris T.Maier & others   CATERPILLARS ON THE FOLIAGE OF CONIFERS IN THE NORTHEASTERN UNITED STATES   2004, USDA Forest Service, USA.
David L.Wagner   CATERPILLARS OF EASTERN NORTH AMERICA   2005, Princeton University Press, Princeton, New Jersey, USA & Woodstock, Oxfordshire, Britain.
Larry Weber   BUTTERFLIES OF THE NORTH WOODS   2002, Kollath-Stensaas Publishing, Duluth, MN, USA.
Larry Weber   BUTTERFLIES OF NEW ENGLAND   2002, Kollath-Stensaas Publishing, Duluth, MN, USA.
L.Handfield   PAPILLONS DU QUEBEC
Michigan
Nielsen   MICHIGAN BUTTERFLIES & SKIPPERS
Midwest
Douglas   BUTTERFLIES OF THE GREAT LAKES REGION  
H.G.Dyar   A LIST OF NORTH AMERICAN LEPIDOPTERA AND KEY TO THE LITERATURE OF THIS ORDER OF INSECTS   1902
Virginia
A.H. & L.F. Clark    THE BUTTERFLIES OF VIRGINIA   1951
W.Beutenmuller   DESCRIPTIVE CATALOGUE OF THE NOCTUIDAE FOUND WITHIN 50 MILES OF NEW YORK CITY   1902  ,  Several Volumes.
W.Barnes & J.H.McDunnough   CONTRIBUTIONS TO THE NATURAL HISTORY OF THE LEPIDOPTERA OF NORTH AMERICA   1911, 15 parts in 3 Volumes.
L. & G.Monroe   BUTTERFLIES & THEIR FLOWERING PLANTS - Anza-Borrego Desert State Park & Environs   2004
Leslie Angel   BUTTERFLIES OF ROCKY MOUNTAIN NATIONAL PARK  An Observers Guide   2005,
Rick Cech & Guy Tudor   BUTTERFLIES OF THE EAST COAST An Observer'sGuide   2005
Steven Daniel & Carol A. & David T.Southby   THE FIELD GUIDE TO BUTTERFLIES  Based on The Butterfly Guide by W.J.Holland   2004
John M.Dole & Walter B.Gerard & John M.Nelson   BUTTERFLIES OF OKLAHOMA, KANSAS & NORTH TEXAS   2004
Michael S.Fisher   THE BUTTERFLIES OF COLORADO  Nymphalidae Part1: The Subfamily Satyrinae (Wood-Nymphs, Grass-Nymphs, Satyrs, Ringlets, rctics & Alpines)   2005
Kim Garwood & Richard Lehman   BUTTERFLIES OF NORTHEASTERN MEXICO  A Photographic Checklist   2005
Fred Heath & Herbert Clarke   AN INTRODUCTION TO SOUTHERN CALIFORNIA BUTTERFLIES   2004
J.B.Heppner   THE MONARCH   2005
Eric H.Metzler    Contributions to the Understanding of TALLGRASS PRAIRIE-DEPENDENT BUTTERFLIES & MOTHS and Their Biogeography in the US    2005
Andrew D.Warren   BUTTERFLIES OF OREGON (Their Taxonomy, Distribution, & Biology)   2005
Thomas J.Allen & Jim P.Brock & Jeffrey Glassberg   CATERPILLARS IN THE FIELD & GARDEN (A Field Guide to The Butterfly Caterpillars of North America)  2005, Oxford University Press, New York, NY, USA.
Judy Burris & Wayne Richards  THE LIFE CYCLES OF BUTTERFLIES (From Egg to Maturity, A Visual Guide to 23 Common Garden Butterflies)   2006, Storey Publishing
Jaret Daniels  BUTTERFLIES OF FLORIDA FIELD GUIDE   2003, Adventure Publications, MN, USA
Jerrfey Glassberg   BUTTERFLIES OF NORTH AMERICA   2004, Barnes & Noble Books, New York, NY, USA.
Eric W.Rockburne & J.Donald Lafontaine   THE CUTWORM MOTHS OF ONTARIO & QUEBEC  1976, Canada Department of Agriculture Publication, Ottawa, Ontario, Canada.
Arthur M.Shapiro   BUTTERFLIES OF THE DELAWARE VALLEY   1966, American Entomological Society, Philadelphia, PA, USA.
Timothy Lee McCabe  ATLAS OF ADIRONDACK CATERPILLARS   With a Host List, Rearing Notes, and a Selected Bibliography of Works Depicting Caterillars   1991, New York State Museum, NY, USA.
Iowa
D.Schlicht & J.Downey & J.Nekola   THE BUTTERFLIES OF IOWA   2007
A.Shapiro & T.Manolis   FIELD GUIDE TO BUTTERFLIES OF THE SAN FRANCISCO BAY & SACRAMENTO VALLEY REGIONS   2007
J.Tuttle  THE HAWK MOTHS OF NORTH AMERICA (A Natural History Study of the Sphingidae of the United States and Canada)   2007
New Hampshire
Warren J.Kiel   THE BUTTERFLIES OF WHITE MOUNTAINS OF NEW HAMPSHIRE 
2003, Falcon Guide by Audubon Society of New Hampshire, NH, US
Roy W. Rings, Eric H. Metzler, Fred J.Arnold, David H. Harris   THE OWLET MOTHS OF OHIO  1992, College of Biological Sciences, Ohio State University, Columbus, OH, USA
Steven J.Carry   BUTTERFLY LANDSCAPES OF NEW MEXICO  2009, New Mexico Magazine, NM, USA
William E.Miller   GUIDE TO THE OLETHREUTINE MOTHS OF MIDLAND NORTH AMERICA (TORTRICIDAE)   1987, Agriculture Handbook 660, U.S. Forest Service, U.S. Department of Agriculture, USA
Todd M. Gilligan, Donald J.Wright, Loran D.Gibson   OLETHREUTINE MOTHS OF THE MIDWESTERN UNITED STATES   2008, Ohio Biological Survey, Columbus, OH, USA
Jim P. Brock   BUTTERFLIES OF THE SOUTHWEST  (Wild West series)  2008, Rio Nuevo Publishers, Tucson, AR, USA

Jim Sogaard   MOTHS & CATERPILLARS OF THE NORTH WOODS   2009, North Woods Naturalist Series, Kollath & Stensaas Publishing, MN, USA
M.Jeffords et al.   BUTTERFLIES OF ILLINOIS: FIELD GUIDE    2014
J. Bouseman & J. Sternberg   FIELD GUIDE TO SILKMOTHS OF ILLINOIS   2002
J.Wiker et al.   FIELD GUIDE TO THE SPHINX MOTHS OF ILLINOIS   2010
J. Bouseman et al.  FIELD GUIDE TO THE SKIPPER BUTTERFLIES OF ILLINOIS   2010