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?
Crossline Skipper May 14 May 30
Bog Copper May 31 Jun 15 <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
Northern Broken-Dash Jun 8 Jun 18 <img src="/stylesheets/art/checkmark.png" />
Edwards' Hairstreak Jun 14 Jun 24
Hickory Hairstreak Jun 17 Jul 2
Mulberry Wing Jun 17 Jun 25
Gray Copper Jun 18 Jun 29
Dorcas Copper Jun 18 Jul 1
Black Dash Jun 20 Jul 2
Acadian Hairstreak Jun 21 Jul 1
Ottoe Skipper Jun 22 Jul 9
Poweshiek Skipperling Jun 23 Jul 4
Dion Skipper Jun 23 Jul 3
Byssus Skipper Jun 23 Jul 8
Reakirt's Blue Jun 29 Jul 23
Swamp Metalmark Jun 30 Jul 14
Southern Dogface Jul 3 Aug 31