Halloween Surprise – Milbert’s Tortoise Shell Butterfly

Temperature fluctuations have encouraged creatures not normally seen in the gardens of Valley View to stop and  share the garden’s mid-autumn bounty.

One such creature  new to the gardens is the Milbert’s Tortoise Shell butterfly, (Nymphalis nilberti)

Milbert's Tortoise Shell butterfly, Nymphalis nilberti
Milbert’s Tortoise Shell butterfly, (Nymphalis nilberti)

This butterfly lives in wet meadows and swampy edges of deciduous forests.  It can be found coast to coast in Canada and the northern United States, in mountains south to West Virginia.  It can be spotted on warm winter days, spring and summer. *

Milbert's Tortoise Shell butterfly, Nymphalis nilberti

October 31st was a relatively warm day.  We’ve had a few killing frosts so the only flowers still in bloom are mums and Alyssum. Nectar feeding insects frequent these flowers. Also the gardens are at the edge of an Eastern Broadleaf forest, with a spring seep directly across from the gardens. A perfect day and perfect habitat for this butterfly to appear!

Green Fly and Spotted Cucumber Beetle
Green Fly and Spotted Cucumber Beetle on yellow daisy mum

*from National Audubon Society Field Guide to North American Insects and Spiders

 

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