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Zerene Fritillary Speyeria zerene (Boisduval, 1852 ...
Jul 23, 2021 · Speyeria zerene hippolyta is listed as T1 by The Nature Conservancy: Critically imperiled because of extreme rarity (5 or fewer occurrences, or very few remaining individuals), or because of some factor of its biology making it especially vulnerable to extinction.
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Behren's Silverspot Butterfly Species Profile
Apr 11, 2011 · The species Speyeria zerene, sometimes known as the Zerene Fritillary, includes a number of subspecies, of which eight occur in the Pacific Northwest and on the California coast.
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Oregon Silverspot Butterfly (Speyeria zerene …
Research on other Speyeria spp. suggests that nectar availability affects the number of eggs laid by females. Adults emerge from their chrysalids (pupae) during species-specific time periods; typically early-to-late summer for Speyeria .
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Speyeria zerene - Wikipedia
Speyeria zerene, the zerene fritillary, is a butterfly found in the western portions of the United States and Canada. The species was first described by William John Swainson in 1827.
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Valley silverspot | Washington Department of …
Both males and females feed by using their long proboscis to sip floral nectar. Research on other Speyeria species suggests that nectar availability affects the number of eggs laid by females. These species depend on violets (genus Viola) for their hostplants. Speyeria fritillaries lay eggs late in the summer. A tiny larva hatches within a few weeks and seeks shelter to overwinter, but does not feed …
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Speyeria zerene thumbnails
Speyeria zerene gloriosa Moeck, 1957 Zerene Fritillary TL: USA (Or) specimen specimen specimen specimen specimen specimen specimen specimen specimen specimen specimen specimen specimen specimen: Speyeria zerene (S OR coastal segregate) Zerene Fritillary: specimen specimen specimen specimen: Speyeria zerene behrensii (W. H. Edwards, 1869) Zerene ...
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Zerene Fritillary (Speyeria zerene) · iNaturalist
Speyeria zerene, the zerene fritillary, is a species of butterfly found in the western portions of the United States and Canada. (Source: Wikipedia, '', http://en ...
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Speyeria | Art Shapiro's Butterfly Site
Speyeria zerene On our transect, a rather uncommon species but seen at all the Sierran sites mainly in the second half of the season; females often fly well into autumn. Visits Giant Hyssop, Thistles, Milkweed, Alfalfa, Rabbitbrush and other rather tall flowers.
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Coronis Fritillary Field Identification …
Speyeria zerene nominate: medium-large (>2.5”); usually darker than S. coronis. FW rounded, HW angular. Reddish-orange above, darker overall at higher elevations. VHW disc usually reddish-brown or vinous, often with pale highlights. Prominent, medium-sized silver spots often shaded by dark scales.
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