2001 Species Summary – Illinois Butterfly Monitoring Network

Species	Sites Reporting	Year
Monarch	91	2001
Cabbage White	87	2001
Common/Orange Sulphur	82	2001
Red Admiral	82	2001
Pearl Crescent	75	2001
Great Spangled Fritillary	70	2001
Spring/Summer Azure	69	2001
Black Swallowtail	64	2001
Eastern Tailed Blue	63	2001
Eastern Tiger Swallowtail	62	2001
Question Mark	48	2001
Mourning Cloak	47	2001
Common Wood Nymph	46	2001
Little Wood Satyr	45	2001
American Painted Lady	43	2001
Silver Spotted Skipper	40	2001
Red-Spotted Purple	38	2001
Buckeye	35	2001
Viceroy	34	2001
European Skipper	30	2001
Least Skipper	26	2001
Northern Pearly-eye	26	2001
Eyed Brown	25	2001
Eastern Comma	25	2001
Pipevine Swallowtail	21	2001
Peck's Skipper	19	2001
Little Yellow	14	2001
Tawny Edge	14	2001
Silvery Checkerspot	13	2001
Delaware Skipper	13	2001
Banded Hairstreak	12	2001
Snout Butterfly	11	2001
Hobomok Skipper	10	2001
Spicebush Swallowtail	9	2001
Wild Indigo Duskywing	9	2001
Black Dash	9	2001
Common Sootywing	9	2001
Bronze Copper	9	2001
Fiery Skipper	9	2001
Appalachian Brown	8	2001
Dun Skipper	8	2001
Hackberry Butterfly	7	2001
Coral Hairstreak	7	2001
Variegated Fritillary	6	2001
Meadow Fritillary	5	2001
Aphrodite	5	2001
Giant Swallowtail	5	2001
Zabulon Skipper	5	2001
Broken Dash	4	2001
Dion Skipper	4	2001
Little Glassywing	4	2001
Baltimore Checkerspot	3	2001
Purplish Copper	3	2001
American Copper	3	2001
Edwards Hairstreak	3	2001
Long Dash	3	2001
Acadian Hairstreak	3	2001
Northern Cloudywing	3	2001
Crossline Skipper	3	2001
Checkered White	3	2001
Silver-Bordered Fritillary	2	2001
Gray Hairstreak	2	2001
Horace's Duskywing	2	2001
Juvenal's Duskywing	2	2001
Cloudless Sulphur	2	2001
Dwarf Sulphur	2	2001
Southern Cloudywing	2	2001
Olympia Marble	1	2001
Sleepy Orange	1	2001
Regal Fritillary	1	2001
Sleepy Duskywing	1	2001
Hoary Elfin	1	2001
Mulberrywing	1	2001
Mottled Duskywing	1	2001
Dusky Azure	1	2001
Gulf Fritillary	1	2001
Karner Blue	1	2001
Leonard's Skipper	1	2001
Striped Hairstreak	1	2001
Roadside Skipper	1	2001
Gray Comma	1	2001
Zebra Swallowtail	1	2001
Great Gray Copper	1	2001
Falcate Orangetip	1	2001
Broadwinged Skipper	1	2001
Checkered Skipper	1	2001
Tawny Emperor	1	2001

2001-Species-Summary Download