Butterflies and Moths
Actias luna (Luna Moth)
Whitefish Dunes State Park, Jacksonport, WI
#2463 Luna Moth on Mossy Log (Jul 18, 2003) 2
Alypia ridingsii (Riding's Forester)
Anza-Borrego Desert Cool Canyon, Borrego Springs, CA
#2176 Riding's Forester Moth on Desert Apricot (Feb 01, 2003) 2
#2177 Riding's Forester Moth (Feb 01, 2003) 2
Anatrytone logan (Delaware Skipper)
Lake in the Hills Fen, Lake in the Hills, IL
#452 Delaware Skipper on Hill's Thistle (Jun 24, 2006) 3
  Larger

Anavitrinella pampinaria (Common Gray Moth)
Native Plant Discovery, Orford, NH
#2508 Common Gray Moth on Helleborine Orchid (Jul 19, 2018) 3
  Larger

#2514 Helleborine Orchid Decorated with Grass and Moth (Jul 19, 2018) 3
  Larger

Ancyloxypha numitor (Least Skipper)
Lake in the Hills Fen, Lake in the Hills, IL
#7538 Least Skipper Close-up (Aug 03, 2022) 3
  Larger

Antheraea polyphemus (Polyphemus Moth)
Native Plant Discovery, Orford, NH
#765 Polyphemus Moth (Jun 25, 1999) 2
Shadow (Boot) Lake, Florence, WI
#853 Polyphemus Moth on Screen (Jun 18, 2005) 4
  Larger

Anthocharis cethura (Desert Orangetip)
Whitewater Draw, Bisbee, AZ
#2954 Pima Desert Orangetip (Mar 20, 2004) 3
  Larger

Anthocharis sara (Sara Orangetip)
Anza-Borrego Desert Cool Canyon, Borrego Springs, CA
#2173 Sara Orangetip Butterfly on Desert Apricot (Feb 01, 2003) 2
  Larger

Santa Rosa Plateau Ecological Preserve, Wildomar, CA
#1368 Sara Orangetip Butterfly on Wild Hyacinth Blossom (Apr 11, 2005) 4
  Larger

Apantesis sp. (Tiger Moth)
Spread Eagle Barrens SNA, Florence, WI
#933 Tiger Moth (Jun 15, 2000) 2
  Larger

Apodemia mormo (Mormon Metalmark)
Caspers Wilderness Park, San Juan Capistrano, CA
#2235 Mormon Metalmark Basking (Mar 21, 2003) 2
  Larger

Asterocampa celtis (Hackberry Emperor)
Big Bend Ranch State Park, Presidio, TX
#4251 Hackberry Emperor Butterfly Basking (Mar 09, 2007) 3
  Larger

Atlides halesus (Great Purple Hairstreak)
Anza-Borrego Desert Cool Canyon, Borrego Springs, CA
#3029 Great Purple Hairstreak Side View (Apr 13, 2004) 2
  Larger

North American Butterfly Assoc. Butterfly Park, Mission, TX
#4128 Great Purple Hairstreak on Blue Mistflower (Dec 26, 2006) 4
  Larger

Battus philenor (Pipevine Swallowtail)
Boyce Thompson Arboretum State Park, Superior, AZ
#1050 Pipevine Swallowtail on Texas Mountain Laurel (Mar 28, 2011) 3
  Larger

Great Smoky Mountains (Ramsey Cascade Trail), Gatlinburg, TN
#1087 Various Swallowtails Mud-Puddling (Apr 30, 2010) 3
  Larger

#1122 Pipevine Swallowtail Underside while Mud-Puddling (Apr 30, 2010) 2
  Larger

Boloria bellona (Meadow Fritillary)
Lake in the Hills Fen, Lake in the Hills, IL
#1266 Meadow Fritillary Basking (Aug 05, 2016) 3
  Larger

Upper Kaubashine Creek SNA, Hazelhurst, WI
#954 Meadow Fritillary Basking on Gravel (Jul 23, 2019) 3
  Larger

Boloria chariclea (Arctic Fritillary)
Denali National Park -- Savage River Area, Healy, AK
#5115 Arctic Fritillary with Lichen Background (Jul 05, 2009) 3
  Larger

Boloria eunomia (Bog Fritillary)
Nicolet National Forest Bell Lake, Florence, WI
#894 Bog Fritillary Underside (Jun 12, 2005) 2
  Larger

#893 Bog Fritillary Dorsal View (Jun 12, 2005) 2
  Larger

Boloria selene (Silver-bordered Fritillary)
Lake in the Hills Fen, Lake in the Hills, IL
#487 Silver-bordered Fritillary Top View (Aug 26, 2006) 2
  Larger

Burnsius communis (Common Checkered-Skipper)
David Schwaegler's Home, Lake in the Hills, IL
#7653 Common Checkered-Skipper on Wood Chips (Jun 12, 2023) 3
  Larger

Callophrys gryneus (Juniper Hairstreak)
Cossatot River State Park Natural Area, Wickes, AR
#3900 Juniper Hairstreak Butterfly on Selenia (Mar 14, 2006) 4
  Larger

Butterfly Valley Botanical Area, Quincy, CA
#3094 Juniper Hairstreak Butterfly on Labrador Tea (Jun 06, 2004) 2
  Larger

Calycopis cecrops (Red-banded Hairstreak)
Great Smoky Mountains (Ramsey Cascade Trail), Gatlinburg, TN
#1078 Red-banded Hairstreak Basking (Apr 27, 2001) 2
  Larger

Calycopis isobeon (Dusky-blue Groundstreak)
North American Butterfly Assoc. Butterfly Park, Mission, TX
#4129 Dusky-blue Groundstreak on Blue Mistflower (Dec 28, 2006) 4
  Larger

Celastrina ladon (Spring Azure)
Scuppernong Prairie SNA, Eagle, WI
#2381 Spring Azure Butterfly Showing Proboscis (Jul 16, 2005) 4
  Larger

Spread Eagle Barrens SNA, Florence, WI
#2922 Confusing Spring Azure (May 22, 2004) 2
Toy Lake Swamp SNA, Manitowish Waters, WI
#7008 Spring Azure Form Marginata (Jul 21, 2019) 3
  Larger

Cercyonis pegala (Common Wood-Nymph)
Lake in the Hills Fen, Lake in the Hills, IL
#575 Common Wood Nymph on Photographer's Hand (Jul 10, 1997) 3
  Larger

#579 Common Wood Nymph Close-up (Jul 05, 2006) 3
  Larger

Spread Eagle Barrens SNA, Florence, WI
#951 Wood Nymphs Mating (Jul 10, 2001) 2
Chlosyne acastus (Sagebrush Checkerspot)
Anza-Borrego Desert, Borrego Springs, CA
#5385 Sagebrush Checkerspot Basking (Mar 18, 2017) 4
  Larger

#5384 Sagebrush Checkerspot Underside (Mar 18, 2017) 2
  Larger

Chlosyne californica (California Patch)
Tonto NF Superstition Wilderness Area, Apache Junction, AZ
#4625 California Patch Butterfly Basking (Mar 20, 2009) 4
  Larger

Anza-Borrego Desert Cool Canyon, Borrego Springs, CA
#3589 California Patch on Dung (Apr 12, 2005) 2
  Larger

Chlosyne gorgone (Gorgone Checkerspot)
Thomson-Fulton Sand Prairie, Fulton, IL
#1472 Gorgone Checkerspot Butterfly Underside View (Jul 02, 2015) 3
  Larger

Lost Mound Unit of Upper Mississippi River NWR, Savanna, IL
#1473 Gorgone Checkerspot Topside View (Jul 02, 2015) 3
  Larger

Chlosyne harrisii (Harris' Checkerspot)
Native Plant Discovery, Orford, NH
#2146 Harris' Checkerspot Butterfly Basking on Gravel (Jun 15, 2011) 4
  Larger

Chlosyne lacinia (Bordered Patch)
North American Butterfly Assoc. Butterfly Park, Mission, TX
#4159 Caterpillar of the Bordered Patch on Bush Sunflower (Jan 11, 2007) 2
  Larger

Chlosyne nycteis (Silvery Checkerspot)
Bluff Spring Fen, Elgin, IL
#1529 Silvery Checkerspot Underside (Jun 18, 2020) 3
  Larger

West Chicago Prairie Forest Preserve, West Chicago, IL
#919 Silvery Checkerspot on Sweet Black-eyed Susan (Aug 22, 2015) 3
  Larger

Pickerel Lake, Brule River, Florence, WI
#923 Silvery Checkerspot Close-up (Jun 18, 2005) 3
  Larger

Cisseps fulvicollis (Yellow-collared Scape Moth)
Nachusa Grasslands, Nachusa, IL
#2331 Yellow-collared Scape Moth on False Boneset (Sep 15, 2002) 2
  Larger

Coenonympha tullia (Common Ringlet)
Spread Eagle Barrens SNA, Florence, WI
#932 Common Ringlet (Jun 15, 2000) 2
Colias cesonia (Southern Dogface)
Illinois Beach State Park, Zion, IL
#679 Southern Dogface Butterfly (Sep 06, 2000) 2
Colias eurytheme (Orange (Alfalfa) Sulphur)
Lake in the Hills Fen, Lake in the Hills, IL
#35 Common Sulphur on Sawtooth Sunflower (Sep 14, 2006) 4
  Larger

#7539 Common Sulphur on Purple Coneflower (Aug 03, 2022) 3
  Larger

Nachusa Grasslands, Nachusa, IL
#2568 Alfalfa Butterfly on Button Liatris (Aug 30, 2006) 2
  Larger

#2447 Common Sulphur Butterfly Underside View (Aug 30, 2006) 4
  Larger

Cupido comyntas (Eastern Tailed-Blue)
Lake in the Hills Fen, Lake in the Hills, IL
#1178 Eastern Tailed-Blue Butterflies Mating (Sep 04, 2015) 3
  Larger

#2310 Eastern Tailed-Blue Caught in Spider Web (Oct 05, 2002) 2
Red River Gorge, Stanton, KY
#1051 Eastern Tailed Blue Female (Apr 25, 2001) 2
Sproul State Forest, Snow Shoe, PA
#5821 Eastern Tailed Blue Butterfly Basking on a Blade of Grass (Jun 23, 2011) 3
  Larger

Avoca Prairie-Savanna SNA, Avoca, WI
#1143 Eastern Tailed Blue on Goldenrod (Aug 23, 2001) 2
Kettle Moraine Low Prairie SNA, Eagle, WI
#462 Eastern Tailed-Blue Butterfly (Jul 23, 2006) 4
  Larger

Danaus gilippus (Queen)
North American Butterfly Assoc. Butterfly Park, Mission, TX
#4130 Queen Butterfly on Lantana (Dec 26, 2006) 3
  Larger

#4160 Queen Butterfly Underside (Jan 11, 2007) 3
  Larger

Danaus plexippus (Monarch)
South Kona Coast of the Big Island, Captain Cook, HI
#4510 Monarch Butterfly on Uhaloa (Feb 08, 2008) 3
  Larger

Lake in the Hills Fen, Lake in the Hills, IL
#99 Monarch Butterfly on Pale Purple Coneflower (Jun 26, 2007) 4
  Larger

#506 Monarch Butterflies in a field of Button Blazing Star (Sep 08, 2008) 3
  Larger

#380 Monarch Face-to-Face (Aug 29, 2006) 2
  Larger

#7205 Female Monarch Butterfly Getting Nectar from Swamp Milkweed (Aug 01, 2020) 3
  Larger

#7577 Female Monarch Butterfly on False Boneset (Sep 08, 2022) 3
  Larger

#468 Monarch Close-up on Swamp Milkweed (Jul 17, 2005) 3
  Larger

#469 Monarch on Swamp Milkweed (Jul 17, 2005) 3
  Larger

#470 Monarch Caterpillar on Whorled Milkweed (Aug 23, 2006) 4
  Larger

#7221 Monarch Butterfly on Cut-leaved Teasel (Aug 08, 2020) 3
  Larger

#1723 Monarch Butterfly on Showy Goldenrod (Sep 18, 2015) 3
  Larger

#7163 Monarch Bufferflies Mating (Jul 11, 2020) 3
  Larger

#1235 Monarch Nectaring on Sawtooth Sunflower (Sep 14, 2006) 3
  Larger

#5521 Monarch Butterfly on Cylindric Blazingstar (Aug 15, 2017) 3
  Larger

#362 Monarch Butterfly on cylindrical blazing star (Aug 12, 2020) 3
  Larger

Illinois Beach State Park, Zion, IL
#674 Monarch Caterpillar on Butterfly Weed (Jun 30, 2007) 4
  Larger

Native Plant Discovery, Orford, NH
#5669 Male Monarch Butterfly on Milkweed (Jul 26, 2018) 3
  Larger

Kettle Moraine Low Prairie SNA, Eagle, WI
#460 Monarch Butterfly on Swamp Thistle (Aug 26, 2011) 3
  Larger

Chiwaukee Prairie SNA, Pleasant Prairie, WI
#715 Monarch Butterfly Pair on Button Liatris (Sep 06, 1999) 4
  Larger

Hogsback, Steuben, WI
#2306 Monarch Butterfly and Empty Chrysalis (Sep 15, 2002) 2
  Larger

Eacles imperialis pini (Pine Imperial Moth)
Upper Kaubashine Creek SNA, Hazelhurst, WI
#7019 Pine Imperial Moth (Jul 23, 2019) 3
  Larger

Echinargus isola (Reakirt's Blue)
Lake in the Hills Fen, Lake in the Hills, IL
#7540 Reakirt's Blue Butterfly on Purple Prairie Clover (Aug 03, 2022) 3
  Larger

Enodia anthedon (Northern Pearly-Eye)
Upper Kaubashine Creek SNA, Hazelhurst, WI
#7016 Northern Pearly-Eye Basking (Jul 23, 2019) 3
  Larger

Epargyreus clarus (Silver-spotted Skipper)
Lake in the Hills Fen, Lake in the Hills, IL
#7230 Common Arrowhead with Background Leaf (Aug 22, 2020) 3
  Larger

#7231 Silver-spotted Skipper on Button Liatris (Aug 22, 2020) 3
  Larger

Lyons Woods Forest Preserve, Waukegan, IL
#1279 Silver-spotted Skipper on Monarda (Jul 19, 2015) 3
  Larger

Native Plant Discovery, Orford, NH
#2153 Silver Spotted Skipper on Milkweed (Jul 18, 2018) 3
  Larger

Erynnis baptisiae (Wild Indigo Duskywing)
Lake in the Hills Fen, Lake in the Hills, IL
#7389 Wild Indigo Duskywing Basking (Jul 13, 2021) 3
  Larger

#2478 Wild Indigo Duskywing Underside (Jul 06, 2021) 2
  Larger

Lyons Woods Forest Preserve, Waukegan, IL
#2477 Wild Indigo Duskywing (Aug 06, 2015) 2
Erynnis brizo (Sleepy Duskywing)
Scuppernong Prairie SNA, Eagle, WI
#2378 Sleepy Dusky wing on Hoary Puccoon (Jun 06, 2003) 2
Grandma Lake Wetlands SNA, Long Lake (Florence), WI
#981 Sleepy Duskywing Butterfly on Hawkweed (Jun 16, 2005) 2
Euchaetes egle (Milkweed Moth)
Lake in the Hills Fen, Lake in the Hills, IL
#7039 Newly Hatched Milkweed Moth Caterpillars (Aug 14, 2019) 2
  Larger

#3202 Milkweed Moth Caterpillar Close-up (Aug 24, 2009) 3
  Larger

Euchloe olympia (Olympia Marble)
Thomson-Fulton Sand Prairie, Fulton, IL
#2533 Olympia Marblewing Caterpillar on Sand Cress (May 19, 2016) 3
  Larger

Euphilotes battoides (Buckwheat Blue, Square-Spotted Blue)
Hells Canyon NRA Seven Devils Recreation Site, Riggins, ID
#458 Square-Spotted Blue Butterfly on Buckwheat Flower (Jul 10, 2014) 3
  Larger

Euphydryas chalcedona (Variable Checkerspot)
Anza-Borrego Desert Cool Canyon, Borrego Springs, CA
#3417 Henne's Variable Checkerspot Nectaring on Blue Phacelia (Mar 11, 2005) 3
  Larger

Anza-Borrego Desert, Borrego Springs, CA
#3412 Henne's Variable Checkerspot Butterfly Topside (Mar 10, 2005) 3
  Larger

Stanislaus National Forest -- Lumsden (1N10) Rd, Groveland, CA
#4715 Variable Checkerspot Caterpillar on Woolly Paintbrush (Apr 21, 2009) 4
  Larger

Hite Cove Trail, Yosemite, CA
#2375 Variable Checkerspot Butterfly (Mar 31, 2003) 4
  Larger

Euphydryas phaeton (Baltimore Checkerspot)
Lake in the Hills Fen, Lake in the Hills, IL
#167 Baltimore Checkerspot Butterfly Getting Nectar (Jun 25, 2020) 3
  Larger

#2158 Baltimore Checkerspot on Pale Purple Conflower (Jun 25, 2020) 3
  Larger

#492 Baltimore Checkerspot Caterpillar (Jun 01, 1999) 3
  Larger

#7336 Baltimore Checkerspot Basking (Jun 15, 2021) 3
  Larger

#7335 Baltimore Checkerspot Caterpillar on Swamp Betony (Jun 15, 2021) 2
  Larger

Boone Creek Fen, Woodstock, IL
#2159 Baltimore Checkerspot on Coreopsis (Jun 29, 2002) 3
  Larger

#1274 Baltimore Checkerspot Caterpillar Nest on Turtlehead Close-up (Aug 01, 2001) 3
  Larger

Native Plant Discovery, Orford, NH
#5664 Baltimore Checkerspot Butterfly Hiding in Alder (Jul 29, 2018) 3
  Larger

Euphyes conspicua (Black Daash)
Lake in the Hills Fen, Lake in the Hills, IL
#1574 Black Dash Butterfly on Boneset (Jul 13, 2021) 2
  Larger

Euphyes dion (Dion Skipper)
Spring Bluff Nature Preserve, Winthrop Harbor, IL
#2466 Dion Skipper Close-up (Jul 19, 2015) 3
  Larger

Euptoieta claudia (Variegated Fritillary)
Lake in the Hills Fen, Lake in the Hills, IL
#7162 Variegated Frittilary Underside (Jul 11, 2020) 2
  Larger

#2474 Variegated Fritillary on Stiff Coreopsis (Jul 11, 2020) 2
  Larger

Eurema lisa (Little Yellow)
Braidwood Dunes, Braidwood, IL
#1267 Little Yellow Butterflies Mating (Aug 25, 2001) 2
  Larger

North American Butterfly Assoc. Butterfly Park, Mission, TX
#4131 Little Yellow Butterfly on Blue Mistflower (Dec 31, 2006) 3
  Larger

Eurytides marcellus (Zebra Swallowtail)
Okefenokee East Entrance, Folkston, GA
#1053 Zebra Swallowtail from Above (Nov 03, 2011) 3
  Larger

#5897 Zebra Swallowtail Underside View (Nov 03, 2011) 3
  Larger

Feniseca tarquinius (Harvester)
Mississippi Palisades S.P., Savanna, IL
#3112 Harvester Butterfly Basking (Jul 18, 2004) 2
Spread Eagle Barrens SNA, Florence, WI
#953 Harvester Butterfly (Jul 10, 2001) 2
Glaucopsyche lygdamus (Silvery Blue)
San Joaquin Wildlife Preserve in Irvine, Irvine, CA
#2251 Silvery Blue Butterfly (Mar 22, 2003) 2
Ouachita NF, Beech Creek National Botanical Area, Smithville, OK
#4298 Silvery Blue Butterfly Basking (Mar 24, 2007) 3
  Larger

#4299 Silvery Blue Butterfly Underside (Mar 24, 2007) 3
  Larger

Gnophaela vermiculata (Police-Car Moth)
Wasatch-Cache NF -- Monte Cristo Scenic Drive, Ogden, UT
#6727 Police-Car Moth with Wings Folded (Jul 19, 2014) 3
  Larger

#6728 Police-Car Moth with Wings Spread (Jul 19, 2014) 3
  Larger

Haploa confusa (Tiger Moth)
Lake in the Hills Fen, Lake in the Hills, IL
#126 Tiger Moth Caterpillar Feeding on Prairie Smoke (May 03, 2017) 3
  Larger

#7288 Confused Haploa Moth Caterpillar on Pussytoes Leaf (May 09, 2021) 3
  Larger

Heliconius charitonius (Heliconian, Zebra)
Sabal Palm Audubon Center and Sanctuary, Brownsville, TX
#4154 Zebra Butterfly Basking in Forest Opening (Jan 08, 2007) 4
  Larger

Hemaris thysbe (Hummingbird Moth)
Lake in the Hills Fen, Lake in the Hills, IL
#927 Hummingbird Moth on Monarda (Aug 05, 2016) 3
  Larger

Scuppernong Prairie SNA, Eagle, WI
#2585 Hummingbird Moth on Liatris (Aug 10, 2002) 4
  Larger

Horama panthalon texana (Texas Wasp Moth)
North American Butterfly Assoc. Butterfly Park, Mission, TX
#4132 Texas Wasp Moth (Dec 26, 2006) 3
  Larger

Hyalophora cecropia (Cecropia Moth)
Lake in the Hills Fen, Lake in the Hills, IL
#2417 Cecropia Moth Underwing and Body View (Jul 15, 2003) 3
  Larger

Native Plant Discovery, Orford, NH
#5662 Cecropia Caterpillar on Alder (Jul 29, 2018) 3
  Larger

Hyles lineata (White-lined Sphinx Moth)
Joshua Tree National Park, Twentynine Palms, CA
#2968 Sphinx Moth Horned Caterpillar on Evening Primrose (Mar 23, 2017) 4
  Larger

Icaricia acmon (Acmon Blue)
Anza-Borrego Desert, Borrego Springs, CA
#3015 Acmon Blue Butterfly on Yellow Pincushion (Apr 13, 2004) 2
Icaricia saepiolus (Greenish Blue)
Butterfly Valley Botanical Area, Quincy, CA
#3093 Female Greenish Blue Butterfly Topside (Jun 06, 2004) 2
#3092 Female Greenish Blue Butterfly Underside (Jun 06, 2004) 2
Junonia coenia (Common Buckeye)
Lake in the Hills Fen, Lake in the Hills, IL
#479 Buckeye Close Up (Aug 06, 2000) 4
  Larger

Larsen Prairie, Lake in the Hills, IL
#7021 Common Buckeye Basking on Grass (Aug 01, 2019) 3
  Larger

Goose Lake Prairie, Morris, IL
#5297 Common Buckeye Caterpillar Feeding on False Foxglove (Aug 31, 2016) 3
  Larger

Nachusa Grasslands, Nachusa, IL
#480 Buckeye on Aster with Little Bluestem Grass (Sep 24, 2008) 2
  Larger

#2323 Buckeye on Showy Goldenrod (Sep 15, 2002) 3
  Larger

#4095 Buckeye Butterfly Basking on Log (Aug 03, 2016) 3
  Larger

#481 Buckeye Underside (Jul 11, 2016) 2
  Larger

Kricogonia lyside (Lyside Sulphur)
North American Butterfly Assoc. Butterfly Park, Mission, TX
#4133 Lyside Sulphur Butterfly (Jan 04, 2007) 3
  Larger

Lampides boeticus (Long-tailed Blue, Pea-blue)
World Botanic Garden, Hakalau, HI
#4568 Pea-blue Butterfly on Smooth Rattlepod (Jan 14, 2008) 3
  Larger

Leptotes marina (Marine Blue)
Tonto NF Superstition Wilderness Area, Apache Junction, AZ
#6011 Marine Blue Butterfly Basking (Apr 11, 2012) 3
  Larger

Libytheana carinenta (American Snout)
North American Butterfly Assoc. Butterfly Park, Mission, TX
#4212 American Snout Butterfly Underside (Jan 04, 2007) 3
  Larger

Limenitis archippus (Viceroy)
Lake in the Hills Fen, Lake in the Hills, IL
#2493 Viceroy Underside in Cattails (Jul 09, 2012) 3
  Larger

#7388 Viceroy Butterfly Getting Nector from Hemp Dogbane (Jul 13, 2021) 3
  Larger

#7479 Viceroy Butterfly Buried in Grass (May 29, 2022) 2
  Larger

#471 Viceroy Basking on Milkweed (Sep 10, 2011) 3
  Larger

Native Plant Discovery, Orford, NH
#3117 Viceroy Butterfly on Willow (Jun 15, 2011) 4
  Larger

Sproul State Forest, Snow Shoe, PA
#5822 Viceroy Butterfly Underside (Jun 23, 2011) 3
  Larger

Limenitis arthemis (White Admiral)
Native Plant Discovery, Orford, NH
#2147 White Admiral Basking on Gravel (Jun 15, 2011) 3
  Larger

#2130 White Admiral on Meadowsweet (Jul 18, 2018) 2
  Larger

Adirondack Park, Lake Clear, NY
#777 White Admiral on the Beach (Jun 20, 1999) 2
  Larger

Scuppernong Prairie SNA, Eagle, WI
#2588 White Admiral on Boneset (Aug 10, 2002) 2
  Larger

Peninsula State Park, Fish Creek, WI
#2824 White Admiral Butterfly Basking (Jun 23, 2016) 3
  Larger

Limenitis arthemis astyanax (Red-spotted Purple)
David Schwaegler's Home, Lake in the Hills, IL
#7015 Red-Spotted Purple Butterfly Underside (Jul 29, 2019) 3
  Larger

Kettle Moraine Low Prairie SNA, Eagle, WI
#5275 Red-Spotted Purple Butterfly Topside (Aug 09, 2016) 3
  Larger

Limenitis lorquini (Lorquin's Admiral)
San Joaquin Wildlife Preserve in Irvine, Irvine, CA
#1750 Lorquin's Admiral Underside (Apr 10, 2005) 2
  Larger

#2249 Lorquin's Admiral Underside (Mar 22, 2003) 2
#2250 Lorquin's Admiral on Stinging Nettle (Mar 22, 2003) 2
  Larger

Lycaeides melissa samuelis (Karner Blue)
Necedah NWR, Tomah, WI
#993 Karner Blue Underside (Jul 26, 2017) 3
  Larger

#5459 Karner Blue Male Butterfly Topside (Jul 26, 2017) 3
  Larger

Lycaena phlaeas (American Copper)
Nachusa Grasslands, Nachusa, IL
#2574 American Copper Butterfly on Aster (Sep 24, 2008) 4
  Larger

#1382 American Copper Butterfly on Yarrow (Jul 06, 2011) 4
  Larger

Lost Mound Unit of Upper Mississippi River NWR, Savanna, IL
#1469 American Copper Butterfly on Yarrow (Jul 02, 2015) 3
  Larger

Spring Green Reserve SNA, Spring Green, WI
#2573 American Copper on Leadplant (Jul 13, 2002) 2
  Larger

Lymantria dispar (Spongy Moth)
Beulah Bog SNA, East Troy, WI
#7659 Spongy Moth on Oak Leaf (Jun 14, 2023) 3
  Larger

Malacosoma americanum (Eastern Tent Caterpillar)
Illinois Beach State Park, Zion, IL
#684 Eastern Tent Caterpillars Emerging from Tent (Jun 25, 2001) 3
  Larger

Malacosoma disstria (Forest Tent Caterpillar Moth)
Doering Woods State Natural Area, Woodruff, WI
#7368 Forest Tent Caterpillar (Jun 29, 2021) 3
  Larger

Megisto cymela (Little Wood-Satyr)
Illinois Beach State Park, Zion, IL
#678 Little Wood Satyr Basking (Jun 30, 2007) 3
  Larger

Spread Eagle Barrens SNA, Florence, WI
#940 Little Wood Satyr (Jun 15, 2000) 2
  Larger

Mestra amymone (Common Mestra)
Santa Ana National Wildlife Refuge, Alamo, TX
#4156 Common Mestra Butterfly Basking (Jan 09, 2007) 4
  Larger

Myscelia ethusa (Mexican Bluewing)
Santa Ana National Wildlife Refuge, Alamo, TX
#4137 Mexican Bluewing Butterfly Basking (Jan 01, 2007) 4
  Larger

Nymphalis antiopa (Mourning Cloak)
San Clemente, San Clemente, CA
#3818 Mourning Cloak Butterfly Basking (Jan 04, 2006) 4
  Larger

Freeman Kame Forest Preserve, Gilberts, IL
#2312 Mourning Cloak in the April Sun (Apr 05, 2010) 3
  Larger

Toy Lake Swamp SNA, Manitowish Waters, WI
#7010 Mourning Cloak in Bright Sun (Jul 21, 2019) 3
  Larger

Nymphalis californica (California Tortoiseshell)
Gensburg-Markham Prairie, Markham, IL
#1258 Stray California Tortoiseshell (Jul 25, 2021) 2
  Larger

Nymphalis milberti (Milbert's Tortoiseshell)
Scuppernong Prairie SNA, Eagle, WI
#2590 Milbert's Tortoiseshell Basking (Aug 10, 2002) 2
  Larger

#2591 Milbert's Tortoiseshell on Grassleaved Goldenrod (Aug 10, 2002) 2
Papilio canadensis (Canadian Tiger Swallowtail)
Native Plant Discovery, Orford, NH
#2137 Canadian Tiger Swallowtail Butterfly on Red Clover (Jun 15, 2011) 4
  Larger

Grandma Lake Wetlands SNA, Long Lake (Florence), WI
#964 Canadian Tiger Swallowtail Butterfly on Hawkweed (Jun 16, 2005) 3
  Larger

Papilio cresphontes (Giant Swallowtail)
Nachusa Grasslands, Nachusa, IL
#3690 Giant Swallowtail Butterfly Underside (Aug 03, 2016) 3
  Larger

#2587 Giant Swallowtail Butterfly (Aug 03, 2016) 4
  Larger

Papilio eurymedon (Pale Swallowtail)
Cleveland National Forest Harding Canyon, Modjeska, CA
#1942 Pale Swallowtail (Feb 26, 2002) 2
  Larger

Mores Mountain in Shafer Butte Recreation Area, Boise, ID
#455 Pale Swallowtail Butterfly on Giant Hyssop (Jul 07, 2014) 3
  Larger

Papilio glaucus (Eastern Tiger Swallowtail)
Shawnee NF -- Burden Falls Wilderness, Harrisburg, IL
#1629 Tiger Swallowtail Butterflies at Mineral Lick (Apr 15, 2011) 4
  Larger

Lake in the Hills Fen, Lake in the Hills, IL
#1086 Tiger Swallowtail Nectaring on Monarda (Aug 08, 2020) 3
  Larger

#2437 Eastern Tiger Swallowtail on Pasture Thistle (Aug 20, 2020) 2
  Larger

David Schwaegler's Home, Lake in the Hills, IL
#7603 Tiger Swallowtail Nectaring on Cup Plant (Aug 06, 2008) 3
  Larger

Starved Rock State Park, Ottawa, IL
#744 Tiger Swallowtail Nectaring on Bluebells (May 06, 2008) 3
  Larger

Wolf Road Prairie, Westchester, IL
#3194 Dark Morph Female Tiger Swallowtail Underside View (Aug 22, 2004) 2
  Larger

Illinois Beach State Park, Zion, IL
#3193 Dark Morph Female Tiger Swallowtail Top View (Jun 09, 2017) 3
  Larger

Red River Gorge, Stanton, KY
#1054 Tiger Swallowtail on Flowering Dogwood (Apr 25, 2001) 3
  Larger

Native Plant Discovery, Orford, NH
#2134 Tiger Swallowtail on Common Milkweed (Jul 18, 2018) 3
  Larger

Great Smoky Mountains (Ramsey Cascade Trail), Gatlinburg, TN
#1087 Various Swallowtails Mud-Puddling (Apr 30, 2010) 3
  Larger

Genesee Oak Opening, North Prairie, WI
#2586 Tiger Swallowtail on Swamp Thistle (Aug 09, 2016) 3
  Larger

Papilio multicaudata (Two-tailed Swallowtail)
Dead Horse Ranch State Park, Cottonwood, AZ
#4652 Two-tailed Swallowtail Basking (Apr 02, 2009) 3
  Larger

Papilio polyxenes (Black Swallowtail)
Lake in the Hills Fen, Lake in the Hills, IL
#7099 Black Swallowtail Male on Excrement (May 25, 2020) 3
  Larger

#1236 Female Black Swallowtail Close Up (Jul 05, 2006) 3
  Larger

#475 Black Swallowtails Mating (Jul 05, 2006) 3
  Larger

#409 Black Swallowtail Second Instar (Sep 24, 2011) 3
  Larger

#473 Black Swallowtail on Button Liatris (Sep 03, 2016) 3
  Larger

Native Plant Discovery, Orford, NH
#5657 Black Swallowtail Butterfly Getting Nectar from Red Clover (Jul 27, 2018) 3
  Larger

Scuppernong Prairie SNA, Eagle, WI
#3688 Black Swallowtail Butterfly Getting Nectar from Mountain Mint (Jul 16, 2005) 4
  Larger

Papilio rutulus (Western Tiger Swallowtail)
San Joaquin Wildlife Preserve in Irvine, Irvine, CA
#1751 Western Tiger Swallowtail on Butterfly Bush (Apr 10, 2005) 4
  Larger

Papilio troilus (Spicebush Swallowtail)
Great Smoky Mountains (Ramsey Cascade Trail), Gatlinburg, TN
#1087 Various Swallowtails Mud-Puddling (Apr 30, 2010) 3
  Larger

Papilio zelicaon (Anise Swallowtail)
Anza-Borrego Desert, Borrego Springs, CA
#1467 Anise Swallowtail Nectaring on Chuparosa (Mar 10, 2001) 2
Parrhasius m-album (White M Hairstreak)
Great Smoky Mountains (Ramsey Cascade Trail), Gatlinburg, TN
#1052 White M Hairstreak Basking (Apr 30, 2010) 3
  Larger

Phoebis sennae (Cloudless Sulphur)
Okefenokee East Entrance, Folkston, GA
#5898 Cloudless Sulphur Underside (Nov 03, 2011) 3
  Larger

Phyciodes cocyta selenis (Northern Crescent)
Kettle Moraine Low Prairie SNA, Eagle, WI
#2582 Male Northern Crescent Butterfly Top View (Jul 23, 2006) 4
  Larger

Phyciodes mylitta (Mylitta Crescent)
Death Valley NP Titus Canyon (Amagorsa Mtns.), Inyo County, CA
#2977 Mylitta Crescent Basking (Mar 25, 2004) 2
Phyciodes pulchella (Field Crescent)
Butterfly Valley Botanical Area, Quincy, CA
#3091 Field Crescents (Jun 06, 2004) 3
  Larger

Mores Mountain in Shafer Butte Recreation Area, Boise, ID
#6665 Field Crescent Butterfly (Jul 07, 2014) 3
  Larger

#454 Field Crescent Butterfly Underside (Jul 07, 2014) 3
  Larger

Phyciodes tharos (Pearl Crescent)
Lake in the Hills Fen, Lake in the Hills, IL
#467 Pearl Crescent Close-up (Jul 13, 2006) 3
  Larger

#466 Pearl Crescent on Mountain Mint (Jul 20, 2000) 2
  Larger

Spread Eagle Barrens SNA, Florence, WI
#938 Pearl Crescents Mud Puddling (Jun 15, 2000) 2
Pieris napi (Mustard White)
Nicolet National Forest Perch Lake, Florence, WI
#2920 Mustard White Butterfly Close-up (May 19, 2004) 4
  Larger

Pieris rapae (Cabbage White)
Lake in the Hills Fen, Lake in the Hills, IL
#486 Cabbage White (Jul 20, 1999) 2
#3109 Cabbage White Butterflies Mating (Jul 06, 2021) 3
  Larger

Pieris virginiensis (West Virginia White)
Great Smoky Mountains (Porters Creek Trail), Gatlinburg, TN
#1044 West Virginia White on Toothwort (Apr 29, 2010) 3
  Larger

Nicolet National Forest Perch Lake, Florence, WI
#2921 West Virginia White Butterflies Mating (May 19, 2004) 4
  Larger

Plebejus idas (Northern Blue)
Hells Canyon NRA Seven Devils Recreation Site, Riggins, ID
#6369 Male Northern Blue Butterfly (Aug 22, 2013) 3
  Larger

Poanes massasoit (Mulberry Wing)
Spring Bluff Nature Preserve, Winthrop Harbor, IL
#2160 Mulberry Wing Skipper on New Jersey Tea (Jul 19, 2015) 2
Polites peckius (Peck's Skipper)
Lake in the Hills Fen, Lake in the Hills, IL
#449 Peck's Skipper (May 27, 2007) 2
  Larger

Lyons Woods Forest Preserve, Waukegan, IL
#1684 Female Peck's Skipper Topside View (Aug 21, 2015) 3
  Larger

Polites themistocles (Tawny-edged Skipper)
Harlem Hills Prairie, Loves Park, IL
#450 Tawny-edged Skipper (Jul 30, 2016) 2
  Larger

Polygonia faunus (Green Comma)
Toy Lake Swamp SNA, Manitowish Waters, WI
#7009 Green Comma Underside Showing Blue-Green Band (Jul 21, 2019) 3
  Larger

Polygonia interrogationis (Question Mark)
Lake in the Hills Fen, Lake in the Hills, IL
#7521 Question Mark Butterfly Perfectively Camouflaged (Jul 07, 2022) 2
  Larger

Starved Rock State Park, Ottawa, IL
#733 Question Mark Butterfly -- Fall Orange Color Form (Sep 25, 2006) 4
  Larger

Polygonia progne (Gray Comma)
Glacier National Park Iceberg Lake Trail, Babb, MT
#6431 Gray Comma Butterfly Underside (Sep 09, 2013) 3
  Larger

#986 Gray Comma Butterfly Nectaring on Aster (Sep 09, 2013) 4
  Larger

Pontia beckerii (Becker's White)
Anza-Borrego Desert, Borrego Springs, CA
#3830 Becker's White Butterfly on Coast Bladderpod (Jan 12, 2006) 3
  Larger

Pontia protodice (Checkered White)
Whitewater Draw, Bisbee, AZ
#2955 Checkered White (Mar 20, 2004) 2
Anza-Borrego Desert, Borrego Springs, CA
#1463 Checkered White Basking on Bladderpod (Mar 10, 2001) 4
  Larger

Pyrgus communis (Common Checkered Skipper)
Thomson-Fulton Sand Prairie, Fulton, IL
#4375 Common Checkered Skipper on Clustered Poppy Mallow (Aug 29, 2007) 3
  Larger

Satyrium calanus (Banded Hairstreak)
Lyons Woods Forest Preserve, Waukegan, IL
#1124 Banded Hairstreak on Yarrow (Jul 19, 2015) 3
  Larger

Satyrium caryaevorum (Hickory Hairstreak)
Lyons Woods Forest Preserve, Waukegan, IL
#2148 Hickory Hairstreak Butterfly on Goldenrod (Jul 19, 2015) 3
  Larger

Satyrium edwardsii (Edwards' Hairstreak)
Illinois Beach State Park, Zion, IL
#680 Edward's Hairstreak on Butterflyweed (Jul 04, 2006) 4
  Larger

Spread Eagle Barrens SNA, Florence, WI
#950 Edward's Hairstreak (Jul 10, 2001) 2
  Larger

Satyrium titus (Coral Hairstreak)
Harlem Hills Prairie, Loves Park, IL
#2566 Coral Hairstreak on New Jersey Tea (Jul 04, 2002) 3
  Larger

Spring Green Reserve SNA, Spring Green, WI
#2575 Coral Hairstreak on Butterfly Weed (Jul 13, 2002) 2
  Larger

Satyrodes appalachia (Appalachian Brown)
Spring Bluff Nature Preserve, Winthrop Harbor, IL
#1526 Appalachian Brown Underside (Aug 06, 2015) 2
Satyrodes eurydice (Eyed Brown)
Lake in the Hills Fen, Lake in the Hills, IL
#490 Eyed-Brown Underside (Jul 03, 2015) 3
  Larger

Toy Lake Swamp SNA, Manitowish Waters, WI
#7002 Eyed-Brown Basking on Sensitive Fern (Jul 21, 2019) 3
  Larger

Speyeria aphrodite (Aphrodite Fritillary)
Illinois Beach State Park, Zion, IL
#3108 Aphrodite Fritillary on Butterfly Weed (Jul 06, 2008) 2
  Larger

#3107 Aphrodite Fritillary Underside (Jul 06, 2008) 4
  Larger

Spread Eagle Barrens SNA, Florence, WI
#952 Aphrodite Fritillary (Jul 10, 2001) 2
  Larger

Speyeria atlantis (Altantis (Mountain) Fritillary)
Native Plant Discovery, Orford, NH
#5651 Atlantic Fritillary on Joe Pye Weed (Jul 27, 2018) 3
  Larger

Speyeria cybele (Great Spangled Fritillary)
Dixie Briggs Fromm, Algonquin, IL
#1398 Great Spangled Fritillary Getting Nectar from Milkweed (Jun 24, 2015) 3
  Larger

Bluff Spring Fen, Elgin, IL
#1157 Great Spangled Fritillary on Pale Purple Coneflower (Jun 10, 2007) 3
  Larger

Lake in the Hills Fen, Lake in the Hills, IL
#576 Great Spangled Fritillary on Common Milkweed (Jun 24, 2017) 3
  Larger

Illinois Beach State Park, Zion, IL
#676 Great Spangled Fritillary Showing Top (Jul 20, 2000) 2
Kettle Moraine Low Prairie SNA, Eagle, WI
#675 Great Spangled Fritillary Showing Underside (Aug 26, 2011) 3
  Larger

Speyeria idalia (Regal Fritillary)
Thomson-Fulton Sand Prairie, Fulton, IL
#2456 Regal Fritillary in Grass (Jul 27, 2003) 3
  Larger

#2451 Regal Fritillary on Pasture Thistle Underwing View (Aug 30, 2007) 2
  Larger

#2452 Regal Fritillary on Pasture Thistle Head On View (Jul 03, 2003) 2
#4376 Regal Fritillary on Pasture Thistle (Aug 30, 2007) 3
  Larger

Nachusa Grasslands, Nachusa, IL
#3105 Regal Fritillary Top View (Jul 08, 2004) 2
#3106 Regal Fritillary Nectaring on Daisy Fleabane (Jul 06, 2004) 2
Speyeria mormonia (Mormon Fritillary)
Arctic Valley, Anchorage, AK
#5056 Mormon Fritillary on Moss Campion (Jun 27, 2009) 3
  Larger

Hells Canyon NRA Seven Devils Recreation Site, Riggins, ID
#6370 Mormon Fritillary Getting Nectar (Aug 22, 2013) 3
  Larger

Speyeria zerene (Zerene Fritillary)
Hells Canyon NRA Seven Devils Recreation Site, Riggins, ID
#6549 Zerene Fritillary Nectaring on Aster (Aug 22, 2013) 2
Strymon melinus (Gray Hairstreak)
Merritt Island NWR Wildlife Drive, Titusville, FL
#5915 Gray Hairstreak on Duck Potato (Nov 08, 2011) 3
  Larger

Enchanted Rock State Natural Area, Fredericksburg, TX
#1265 Gray Hairstreak (Mar 19, 2007) 3
  Larger

Kettle Moraine Low Prairie SNA, Eagle, WI
#461 Gray Hairstreak Butterfly on Goldenrod (Sep 10, 2010) 4
  Larger

Tharsalea epixanthe (Bog Copper)
Shadow (Boot) Lake, Florence, WI
#905 Bog Copper (Jul 10, 2001) 2
  Larger

Tharsalea hyllus (Bronze Copper)
Lake in the Hills Fen, Lake in the Hills, IL
#7334 Bronze Copper Underside View (Jun 15, 2021) 3
  Larger

#465 Bronze Copper on Arrowhead (Aug 11, 2020) 3
  Larger

Nachusa Grasslands, Nachusa, IL
#463 Bronze Copper Butterfly on Goldenrod Underside View (Sep 24, 2008) 4
  Larger

Thymelicus lineola (European Skipper)
Lake in the Hills Fen, Lake in the Hills, IL
#453 European Skipper (Jul 15, 2000) 2
Urbanus proteus (Long-tailed Skipper)
Okefenokee East Entrance, Folkston, GA
#5896 Long-tailed Skipper on Liatris (Nov 03, 2011) 3
  Larger

Vanessa annabella (West Coast Lady)
San Clemente, San Clemente, CA
#1682 West Coast Lady Basking on Trail (Mar 10, 2001) 2
Vanessa atalanta (Red Admiral)
Lake in the Hills Fen, Lake in the Hills, IL
#6995 Red Admiral Nectaring on Bladder Campion (Jun 20, 2019) 3
  Larger

#3116 Red Admiral on Canada Thistle (Jul 10, 2015) 3
  Larger

#482 Red Admiral Ovipositing on Stinging Nettle (Jun 20, 1999) 2
Illinois Beach State Park, Zion, IL
#536 Red Admiral Underside (Jun 30, 2007) 3
  Larger

Newport State Park, Ellison Bay, WI
#6609 Red Admiral Basking on a Rocky Outcrop (Jun 24, 2014) 3
  Larger

Vanessa cardui (Painted Lady)
Anza-Borrego Desert, Borrego Springs, CA
#3014 Prickly Poppy and Painted Lady Butterfly (Apr 13, 2004) 3
  Larger

Death Valley NP Cottonwood and Marble Canyons, Stovepipe Wells, CA
#3454 Painted Lady Butterfly Underside on Death Valley Sage (Mar 16, 2005) 4
  Larger

#3453 Painted Lady Butterfly on Death Valley Sage (Mar 16, 2005) 4
  Larger

Lake in the Hills Fen, Lake in the Hills, IL
#7228 Painted Lady Underside on Rattlesnake Master (Aug 20, 2020) 2
  Larger

#7229 Painted Lady Butterfly on Rattlesnake Master (Aug 20, 2020) 3
  Larger

Nachusa Grasslands, Nachusa, IL
#2490 Painted Lady Butterfly on Goldenrod Underside View (Sep 24, 2008) 4
  Larger

Cape Breton Highlands National Park, Ingonish Beach, NS
#3738 Painted Lady Butterfly and Composite Flowers (Sep 03, 2005) 3
  Larger

Perrot State Park, Trempealeau, WI
#2491 American Spikenard Hanging from Cliff Face (Aug 22, 2016) 3
  Larger

Vanessa virginiensis (American Painted Lady)
Lake in the Hills Fen, Lake in the Hills, IL
#489 American Painted Lady on Vervain (Jul 15, 1999) 2
Beulah Bog SNA, East Troy, WI
#1280 American Painted Lady on Red Clover (Jun 20, 2001) 2
Shadow (Boot) Lake, Florence, WI
#873 American Painted Lady (Jun 15, 2000) 2
Wallengrenia egeremet (Northern Broken-Dash)
Pickerel Lake, Brule River, Florence, WI
#922 Northern Broken-Dash Skipper from Top (Jun 15, 2000) 2
  Larger