Butterfly Sightings in SE Michigan 2004
( Greater Washtenaw County Survey )
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SpeciesLatinTotalsTimesMaxFirstLast
Clouded Sulphur Colias philodice 3767 216 509 4/26/2004 11/18/2004
Cabbage White Pieris rapae 3264 309 450 4/15/2004 10/30/2004
Alfalfa Butterfly Colias eurytheme 2954 158 247 5/8/2004 11/18/2004
Pearl Crescent Phyciodes tharos 1226 91 168 5/12/2004 10/10/2004
European Skipper Thymelicus lineola 946 25 193 6/4/2004 7/3/2004
Eastern-tailed Blue Everes comyntas 666 65 104 5/21/2004 10/14/2004
White Colias Colias species 652 92 153 5/8/2004 11/18/2004
Summer Azure Celastrina neglecta 574 80 63 5/29/2004 9/22/2004
Wood Nymph Cercyonis pegala alope 550 65 46 6/18/2004 9/12/2004
Little Wood Satyr Megisto cymela 531 60 59 5/21/2004 8/22/2004
Viceroy Limenitis archippus 525 81 53 5/19/2004 10/3/2004
Great Spangled Fritillary Speyeria cybele 327 64 38 6/8/2004 9/23/2004
Monarch Danaus plexippus 300 78 23 5/31/2004 11/7/2004
Least Skipper Ancyloxypha numitor 295 42 132 5/30/2004 9/26/2004
American Copper Lycaena phlaeas americana 244 31 80 5/17/2004 10/1/2004
Silver-spotted Skipper Epargyreus clarus 240 84 19 5/12/2004 10/1/2004
Edward's Hairstreak Satyrium edwardsii 216 10 81 6/19/2004 8/9/2004
Buckeye Junonia coenia 216 41 24 6/20/2004 10/25/2004
Wild Indigo Duskywing Erynnis baptisiae 197 26 45 5/13/2004 10/8/2004
Northern Broken Dash Wallengrenia egeremet 167 25 59 6/19/2004 8/27/2004
Bronze Copper Lycaena hyllus 151 38 34 5/23/2004 10/9/2004
Eastern Comma Polygonia comma 144 68 24 3/25/2004 11/18/2004
Red Admiral Vanessa atalanta 131 58 36 4/17/2004 11/6/2004
Tiger Swallowtail Papilio glaucus 114 65 7 4/28/2004 9/6/2004
Peck's Skipper Polites peckius 106 45 17 6/2/2004 9/22/2004
Eyed Brown Satyrodes eurydice 105 27 26 6/5/2004 8/9/2004
Little Yellow Eurema lisa 99 9 34 7/17/2004 10/3/2004
Delaware Skipper Anatrytone logan 98 23 15 6/20/2004 7/28/2004
Aphrodite Speyeria aphrodite 96 8 61 6/23/2004 9/14/2004
Baltimore Euphydryas phaeton 94 21 20 6/12/2004 7/18/2004
Spring Azure Celastrina ladon 93 17 30 4/19/2004 6/2/2004
Question Mark Polygonia interrogationis 91 56 6 5/12/2004 9/23/2004
Juvenal's Duskywing Erynnis juvenalis 90 22 17 4/28/2004 6/8/2004
Appalachian Eyed Brown Satyrodes appalachia 87 28 20 6/26/2004 8/21/2004
Spicebush Swallowtail Papilio troilus 83 32 15 5/12/2004 9/26/2004
Hobomok's Skipper Poanes hobomok 83 25 19 5/16/2004 7/3/2004
Black Swallowtail Papilio polyxenes 82 39 8 5/22/2004 9/22/2004
Dorcas Copper Lycaena dorcas 82 3 31 7/3/2004 7/18/2004
Mulberry Wing Poanes massasoit 77 20 12 6/20/2004 8/1/2004
Broad-winged Skipper Poanes viator 74 9 46 7/10/2004 8/9/2004
Leonard's Skipper Hesperia leonardus 69 13 17 8/21/2004 9/14/2004
Dun Skipper Euphyes vestris 61 21 11 7/3/2004 8/22/2004
American Painted Lady Vanessa virginiensis 59 29 11 4/23/2004 9/11/2004
Silvery Blue Glaucopsych lygdamus 57 3 31 5/16/2004 5/22/2004
Northern Pearly Eye Enodia anthedon 53 19 10 6/26/2004 8/22/2004
Dreamy Duskywing Erynnis icelus 50 5 24 5/12/2004 6/8/2004
Tawny Edged Skipper Polites themistocles 47 26 14 5/22/2004 9/23/2004
Red-spotted Purple Limenitis arthemis astyanax 43 34 3 5/22/2004 9/5/2004
Black Dash Euphyes conspicua 39 13 14 7/3/2004 8/1/2004
Purplish Copper Lycaena helloides 35 10 11 5/23/2004 10/2/2004
Mourning Cloak Nymphalis antiopa 35 24 6 2/28/2004 11/14/2004
Banded Hairstreak Satyrium calanus 34 9 9 6/23/2004 8/14/2004
Giant Swallowtail Papilio cresphontes 26 21 2 5/21/2004 9/5/2004
Mustard White Pieris napi 25 19 3 4/21/2004 9/6/2004
Crossline Skipper Polites origenes 25 9 9 6/20/2004 7/11/2004
Hoary Edge Achalarus lyciades 25 7 6 5/23/2004 7/3/2004
Acadian Hairstreak Satyrium acadica 22 9 7 6/20/2004 7/19/2004
Little Glassywing Pompeius verna 21 10 6 6/20/2004 7/11/2004
Hackberry Butterfly Asterocampa celtis 19 10 6 6/23/2004 9/27/2004
Dukes Skipper Euphyes dukesi 18 5 8 7/17/2004 8/7/2004
Coral Hairstreak Satyrium titus 16 3 6 6/23/2004 7/8/2004
Roadside Skipper Amblyscirtes vialis 16 10 5 5/16/2004 8/22/2004
Gray Comma Polygonia progne 15 10 3 4/15/2004 10/7/2004
Milbert's Tortoise Shell Nymphalis milberti 14 6 7 4/9/2004 10/7/2004
Brown Elfin Incisalia augustinus 14 1 14 4/18/2004 4/18/2004
Painted Lady Vanessa carduii 14 10 4 6/30/2004 10/27/2004
Silvery Checkerspot Chlosyne nycteis 13 6 5 6/12/2004 7/11/2004
Mitchell's Satyr Neonypha mitchellii 13 2 11 6/21/2004 7/3/2004
Silver-bordered Fritillary Boloria selene myrina 13 9 3 5/27/2004 9/2/2004
Northern Cloudywing Thorybes pylades 13 7 5 5/23/2004 7/25/2004
Sleepy Duskywing Erynnis brizo 12 7 4 4/23/2004 5/23/2004
Southern Cloudywing Thorybes bathyllus 12 7 4 5/29/2004 7/8/2004
Fiery Skipper Hylephilia phyleus 11 5 5 8/31/2004 10/6/2004
Harvester Feniseca tarquinius 11 7 2 5/9/2004 10/2/2004
Common Sootywing Pholisora catullus 10 7 3 6/8/2004 9/4/2004
Long Dash Polites mystic 10 6 4 6/5/2004 6/30/2004
Dion Skipper Euphyes dion 10 5 3 6/25/2004 7/11/2004
Variegated Fritillary Euptoieta claudia 8 7 2 4/26/2004 10/8/2004
American Snout Libytheana carinenta 8 8 1 6/23/2004 9/14/2004
Tawny Emperor Asterocampa clyton 8 6 2 6/30/2004 7/25/2004
Meadow Fritillary Boloria bellona 6 6 1 7/16/2004 9/30/2004
Harris' Checkerspot Chlosyne harrisii 4 3 2 6/13/2004 6/26/2004
Horace Duskywing Erynnis horatius 4 4 1 7/8/2004 8/7/2004
Pine Elfin Incisalia niphon 4 3 2 5/9/2004 5/19/2004
Hickory Hairstreak Satyrium caryaevorum 4 4 1 6/30/2004 7/20/2004
Poweshiek Skipperling Oarisma poweshiek 2 1 2 7/3/2004 7/3/2004
Striped Hairstreak Satyrium liparops 2 1 2 7/11/2004 7/11/2004
Compton's Tortoise Shell Nymphalis vau-album 2 2 1 4/15/2004 7/10/2004
Cloudless Sulphur Phoebis sennae 1 1 1 6/8/2004 6/8/2004
Zebra Swallowtail Eurytides marcellus 1 1 1 8/7/2004 8/7/2004
Tiger Swallowtail (Black) Papilio glaucus 1 1 1 8/13/2004 8/13/2004
Checkered Skipper Pyrgus communis 1 1 1 9/22/2004 9/22/2004
Gray Hairstreak Strymon melinus 1 1 1 10/2/2004 10/2/2004

SUMMARY DATA
 199519961997199819992000
Species SE Michigan748171859290
Species Washtenaw County727769828989
Butterflies SE MichiganNANANA13,03221,04022,067
Butterflies Washtenaw CountyNANANA8,43113,01515,758

Other years: 2000 Survey2001 Survey2002 Survey