Milbert's Tortoiseshell

Nymphalis milberti

 Genus Nymphalis
Subfamily True Brushfoots
Family Brushfooted Butterflies
All Massachusetts Species
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Milbert's TortoiseshellMilbert's TortoiseshellMilbert's TortoiseshellMilbert's TortoiseshellMilbert's Tortoiseshell

Milbert's TortoiseshellMilbert's TortoiseshellMilbert's TortoiseshellMilbert's Tortoiseshell

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Occurrence Mainly western and central MA - resident
Abundance Variably rare to uncommon
Flight Period Early March to late October
Notes Big flights (such as 1999) reach eastern MA but are rather rare events
Overwintering Adult
More info Massachusetts Butterfly Atlas Website
More info Butterflies of Massachusetts Website

Milbert's Tortoiseshell

Photo by Erik Nielsen - 7/8/2002
Pittsburg, NH

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Milbert's Tortoiseshell

Photo by Erik Nielsen - 5/4/2003
Lenox

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Milbert's Tortoiseshell

Photo by Tom Murray - 6/23/2003
Harvard

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Milbert's Tortoiseshell

Photo © Marj Rines - 7/19/2003
Dunback Meadow, Lexington

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Milbert's Tortoiseshell

Photo by Tom Murray - 6/6/2004
Quabbin Reservoir
On Stinging Nettle

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Milbert's Tortoiseshell

Photo by Barbara Spencer - 7/24/2007
Cummington

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Milbert's Tortoiseshell

Photo by Frank Model - 10/4/2007
Northampton Community Gardens

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Milbert's Tortoiseshell

Photo by Frank Model - 2004
Northampton Community Gardens

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Milbert's Tortoiseshell

Photo by Barbara Spencer - 7/21/2005
Cummington
Note pollinium attached to right foreleg.

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