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Lesser Maple Spanworm Moth
Macaria pustularia
Speranza pustularia, the lesser maple spanworm, is a moth of the family Geometridae native to North America. Adults are on wing from May to July in the south and from June to August in the north. There is one generation per year.
From the article Speranza pustularia on Wikipedia (CC BY-SA), quoted section by section
Description
Adults have white wings with wavy orange-yellow lines across both the forewings and hindwings. These lines are often thicker at the top-most edge of the forewing. The wingspan is 18–27 mm.
Range & habitat
The lesser maple spanworm is found from Nova Scotia to Florida, west to Mississippi, north to North Dakota and Saskatchewan. They are most common in deciduous and mixed forests.
Wikipedia: “Range and habitat”
What it does
The larvae feed on the leaves of maple, especially Acer rubrum. While A. rubrum is their primary food source, they may also feed on Acer saccharum and Acer saccharinum. Some have also been recorded on birch, cherry, poplar, Abies, Tsuga and tamarack.
Wikipedia: “Ecology”
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Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
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Every page naming Macaria pustularia in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 736797.