BUTTERFLIES THAT WE SEE ON THE WING WITH MONARCHS

Monarch Butterfly and Tithonia rotundifolia

You may have noticed that the late summer of 2019 has so far been a banner year for migrating Monarchs, as well as other species of butterflies. Not only are reports of good numbers of butterflies being shared all around Boston’s North Shore, but numbers are high across states east of the Rocky Mountains and the southern Canadian provinces. Let’s keep our hopes up that these current high counts will translate to strong numbers at the Monarch’s overwintering sites in Mexico.

Painted Lady (Vanessa cardui) and Seaside Goldenrod

I am very often asked, “what is that small Monarch?” Actually, it’s not a small Monarch but a butterfly of an entirely different species, the Painted Lady Butterfly (Vanessa cardui). Every year we see Painted Ladies migrating at the seam time of year as do the Monarchs. Additionally, we are currently in the midst of a Painted Lady irruption. An irruption is a word used to describe a burst in the population numbers of a species.

Keep your eyes open for the beautiful floaty Sulphurs, also on the wing during the Monarch and Painted Lady migrations.

Mourning Cloak, underside of wings

Here is a butterfly I don’t always see during the late summer migration, a Mourning Cloak. The generation that emerges at the end of the summer spends the winter not as a chrysalis or a caterpillar, but as an adult. They hibernate in the cracks and crevices of trees and buildings.

Mourning Cloaks are one of the first butterflies on the wing in earliest of spring and are a true harbinger of warmer days to come.

Mourning Cloak, upper, or dorsal side of wings showing

In the British Isles, the name for the Mourning Cloak is Camberwell Beauty. I much prefer that name, don’t you 🙂

Notice how when the Mourning Cloak’s wings are folded, the butterfly will be well camouflaged when hibernating in the cracks of tree bark.

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