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?
Cabbage White Feb 15 Mar 26
Eastern Comma Feb 17 Mar 8 <img src="/stylesheets/art/checkmark.png" />