Eastern Comma (Polygonia comma) lives in woodland edges across Europe and Asia. It feeds on nettles and hops.
Fascinating facts about the Eastern Comma
- A single eastern comma can span up to 6.4 cm from wing tip to tip. Its wingspan ranges from 4.5-6.4 cm (1.8-2.5 in), making it a small-to-medium butterfly that still manages to be seen fluttering over riverbanks and swamps. This size, combined with its irregularly notched anglewings, lets it blend into dead leaves while perched.
- Eastern commas can squeeze up to four generations into a single summer in warm parts of their range, while cooler northern areas often produce only one. Overwintered adults emerge in early spring, lay eggs that become a "summer" generation, which then produces a lighter-colored fall generation that hibernates. This flexible life-cycle lets the species exploit short warm periods and survive harsh winters, expanding its reach from southern Texas up to southeastern Canada.
- The eastern comma's range stretches across the eastern half of the United States east of the Rocky Mountains, from southeast Canada down to central Texas and the Gulf Coast. Living in deciduous woodlands, riparian zones, marshes, and swamps, it thrives wherever water sources create lush foliage. This broad distribution across temperate forests and wetlands.
- When females lay eggs on preferred host plants, their caterpillars grow to adulthood in just 21-23 days and survive at a rate of 89-100 %. On less suitable plants the same larvae need 31-42 days and only achieve 0-60 % survival.
- Adult eastern commas rarely sip nectar; instead they feed on tree sap, rotting fruit, salts, minerals from puddling, and even dung.
Sources
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At a glance
RangeEurope and Asia
HabitatWoodland edges
DietNettles and hops
About the Eastern Comma
As the Eastern Comma butterfly dances through the dappled woodland, its tattered wings beat with a hypnotic rhythm, their ragged edges a testament to the perils of a life lived on the wing. With an effortless flutter, it alights upon a sun-kissed leaf, its delicate legs twitching as it sips the sweetness from a ripe fruit, its very existence a masterclass in resilience and adaptation. In this fleeting moment, the Eastern Comma embodies the ephemeral beauty of the natural world, a whirlwind of color and life that vanishes as suddenly as it appears.
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