Butterflies

Milbert’s Tortoiseshell…any day now

Yes, Butterflies are active in March

As I highlighted in a previous post, about 8 species of tortoiseshell and comma butterflies overwinter as adults (true in western Montana). Even with the spate of snow (2nd snowiest February on record) and cold, butterflies will be seen flying before the month is over 😉 The video above informs process involved.

Milbert’s Tortoiseshell (Nymphalis milberti) is one stunning insect to see in the yet-to-green landscape of early spring. Below are some images highlighting the upper and under wing on various plants and surface.

Nymphalis milberti taking nectar from Rubber Rabbitbrush in late summer
Late season Milbert’s Tortoiseshell on Rubber Rabbitbrush (Ericameria nauseosa)
Milbert’s Tortoiseshell on gooseberry bloom
Nymphalis milberti on ground
The underwing of Milbert’s Tortoiseshell
Milbert’s Tortoiseshell taking nectar from a Tumble Mustard in summer

Of course early spring in different parts of the country will have different species to observe. Here’s what is being seen around the country via Recent Sightings postings from the North American Butterfly Association to prep you on what to look for.

Check out your own neighborhood today!