Butterfly lookout

Which butterflies are newly emerging or arriving? Species in the list below have early sighting dates within 10 days of today. Early dates are often indicators of uncommonly warm weather, so the median date of first sighting is also listed.

Butterflies first seen around this week

Species Earliest sighting Median first sighting Seen this year?
Tawny Emperor May 20 Jun 21 <img src="/stylesheets/art/checkmark.png" />
Little Glassywing May 21 Jun 6
Bog Copper May 31 Jun 15
Delaware Skipper Jun 1 Jun 11 <img src="/stylesheets/art/checkmark.png" />
Striped Hairstreak Jun 3 Jun 20 <img src="/stylesheets/art/checkmark.png" />
Broad-winged Skipper Jun 3 Jun 22
Coral Hairstreak Jun 4 Jun 15 <img src="/stylesheets/art/checkmark.png" />
Northern Broken-Dash Jun 8 Jun 18
Two-spotted Skipper Jun 8 Jun 26 <img src="/stylesheets/art/checkmark.png" />
Sleepy Orange Jun 9 Aug 7
Regal Fritillary Jun 9 Jun 28
Greenish Blue Jun 9 Jun 21
Atlantis Fritillary Jun 12 Jun 29 <img src="/stylesheets/art/checkmark.png" />
Edwards' Hairstreak Jun 14 Jun 24 <img src="/stylesheets/art/checkmark.png" />
Hickory Hairstreak Jun 17 Jul 2 <img src="/stylesheets/art/checkmark.png" />
Tawny Crescent Jun 17 Jun 24
Mulberry Wing Jun 17 Jun 25
Dorcas Copper Jun 18 Jul 1
Gray Copper Jun 18 Jun 29
Black Dash Jun 20 Jul 2
Acadian Hairstreak Jun 21 Jul 1 <img src="/stylesheets/art/checkmark.png" />
Ottoe Skipper Jun 22 Jul 9
Poweshiek Skipperling Jun 23 Jul 4
Byssus Skipper Jun 23 Jul 8
Dion Skipper Jun 23 Jul 3
Reakirt's Blue Jun 29 Jul 23