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The Massas Circle of the Annual Butterfly Count covers 113,000 acres centered on Manassas Airport.

To view our survey area on Google Earth, use the coordinates 38.724270, -77.500466 as the center point for a circle with a 7.5 mile radius.

Annual Butterfly Count, Manassas Circle Data

 
8/06/17
Total Species
49
PAPILIONIDAES, Swallowtails  
Pipevine Swallowtail
13
Zebra Swallowtail
2
Black Swallowtail
8
Eastern Tiger Swallowtail
33
Spicebush Swallowtail
17
PIERIDAE, Whites & Sulphurs  
Cabbage White
60
Clouded Sulphur
5
Orange Sulphur
10
Cloudless Sulphur
6
Sleepy Orange
6
LYCAENIDAE, Harvesters and Coppers  
Juniper Hairstreak
1
Gray Hairstreak
3
Red-banded Hairstreak
9
LYCAENIDAE, Blues  
Eastern-tailed Blue
55
Summer Azure
10
NYMPHALIDAE, Brushfoots  
American Snout
1
Variegated Fritillary
5
Great Spangled Fritillary
4
Silvery Checkerspot
4
Pearl Crescent
42
Eastern Comma
3
American Lady
1
Painted Lady
6
Red Admiral
5
Common Buckeye
16
Red-spotted Purple
5
Viceroy
6
Hackberry Emperor
14
NYMPHALIDAE, Satyrs  
Northern Pearly Eye
20
Appalachian Brown
3
Carolina Satyr
1
Common Wood Nymph
14
NYMPHALIDAE, Milkweed Butterflies  
Monarch
23
HESPERIIDAE, Spread-wing Skippers  
Silver-spotted Skipper
48
Southern Cloudywing
7
Horace's Duskywing
13
Wild Indigo Duskywing
2
Common Sootywing
3
HESPERIIDAE - Grass-Skippers  
Swarthy Skipper
2
Least Skipper
6
Peck's Skipper
3
1awny-edged Skipper
1
Crossline Skipper
4
Little Glassywing
18
Sachem
32
Northern Broken Dash
4
Southern Broken Dash
1
Zabulon Skipper
111
Dun Skipper
37
TOTAL INDIVIDUALS
703