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Milbert's Tortoiseshell
Milbert's Tortoiseshell (Aglais milberti) is a beautiful medium-sized butterfly found in much of the northern U.S. states, and southern Canadian provinces. Its overall color is brown, with various shades of orange spots and lines. It also has a row of bluish spots in the hindwing margin. It is often found in moist woodlands, fields and meadows.
Wing spread: 1 5/8" - 2.5"
Host plants: Nettles
Milbert's Tortoiseshell Butterfly Life Cycle Stages and Times
| Stage | Typical Duration |
| Egg stage | 4 to 14 days |
| Caterpillar (larval) stage | 3 to 4 weeks |
| Chrysalis (pupal) stage | 7 to 18 days |
| Adult butterfly stage | 6 to 20 days |
Milbert's Tortoiseshell Butterfly (dorsal view) |
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Milbert's Tortoiseshell Butterfly (ventral view) |
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Milbert's Tortoiseshell Caterpillar |
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A distant relative ... the California Tortoiseshell Butterfly |
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