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This table is based on data collected by Massachusetts Butterfly Club - 1993-2007
 Abundant: Easily seen and often in large numbers |
 Common: Usually seen |
 Uncommon: Usually present in low numbers, but not always seen |
 Rare: Not usually seen; may be known only from a few locales |
 Very Rare: Could be a number of years between sightings |
 Extremely Rare: Record of single individual |
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Species |
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May |
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Oct |
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| Pipevine Swallowtail |
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| Zebra Swallowtail |
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| Black Swallowtail |
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| Giant Swallowtail |
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| Eastern Tiger Swallowtail |
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| Canadian Tiger Swallowtail |
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| Spicebush Swallowtail |
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| Checkered White |
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| Mustard White |
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| West Virginia White |
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| Cabbage White |
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| Falcate Orangetip |
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| Clouded Sulphur |
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| Orange Sulphur |
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| Cloudless Sulphur |
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| Little Yellow |
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| Harvester |
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| American Copper |
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| Bronze Copper |
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| Bog Copper |
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| Coral Hairstreak |
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| Acadian Hairstreak |
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| Edwards' Hairstreak |
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| Banded Hairstreak |
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| Hickory Hairstreak |
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| Striped Hairstreak |
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| Oak Hairstreak |
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| Brown Elfin |
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| Hoary Elfin |
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| Frosted Elfin |
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| Species |
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Sep |
Oct |
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| Henry's Elfin |
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| Bog Elfin |
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| Eastern Pine Elfin |
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| Juniper Hairstreak |
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| Hessel's Hairstreak |
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| White M Hairstreak |
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| Gray Hairstreak |
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| Early Hairstreak |
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| Eastern Tailed-Blue |
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| Spring Azure |
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| Cherry Gall Azure |
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| Summer Azure |
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| Silvery Blue |
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| American Snout |
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| Variegated Fritillary |
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| Gulf Fritillary |
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| Great Spangled Fritillary |
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| Aphrodite Fritillary |
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| Atlantis Fritillary |
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| Silver-bordered Fritillary |
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| Meadow Fritillary |
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| Harris' Checkerspot |
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| Pearl Crescent |
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| Baltimore Checkerspot |
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| Question Mark |
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| Eastern Comma |
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| Gray Comma |
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| Compton Tortoiseshell |
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| Mourning Cloak |
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| Milbert's Tortoiseshell |
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| American Lady |
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| Painted Lady |
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| Red Admiral |
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| Common Buckeye |
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| Red-spotted Admiral |
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| Red-spotted Admiral - White Admiral form |
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| Red-spotted Admiral - Red-spotted Purple form |
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| Viceroy |
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| Hackberry Emperor |
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| Tawny Emperor |
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| Northern Pearly-Eye |
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| Eyed Brown |
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| Appalachian Brown |
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| Little Wood-Satyr |
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| Common Ringlet |
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| Common Wood-Nymph |
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| Monarch |
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| Queen |
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| Silver-spotted Skipper |
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| Long-tailed Skipper |
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| Hoary Edge |
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| Southern Cloudywing |
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| Northern Cloudywing |
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| Dreamy Duskywing |
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| Sleepy Duskywing |
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| Juvenal's Duskywing |
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| Horace's Duskywing |
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| Wild Indigo Duskywing |
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| Persius Duskywing |
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| Common Checkered-Skipper |
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| Common Sootywing |
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| Arctic Skipper |
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| Species |
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Jul |
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Sep |
Oct |
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| Least Skipper |
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| European Skipper |
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| Fiery Skipper |
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| Leonard's Skipper |
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| Cobweb Skipper |
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| Indian Skipper |
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| Peck's Skipper |
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| Tawny-edged Skipper |
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| Crossline Skipper |
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| Long Dash |
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| Northern Broken-Dash |
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