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Mournful Duskywing (Erynnis tristis)

The mournful duskywing (Erynnis tristis) is a common species of butterfly in the Sacramento Valley and San Francisco Bay Area. Host plants for the eggs and caterpillars are limited to various oaks.


Mournful duskywing butterfly egg (Erynnis tristis) on valley oak (Quercus lobata). Focus-stacked composite of 203 exposures at 10x lifesize. Vacaville, Solano County, California, USA.
BUT0094


Crop of BUT0094 showcasing nature's intricate details.


Mournful duskywing caterpillar (Erynnis tristis) on valley oak (Quercus lobata). Focus-stacked composite of 82 exposures at 5x lifesize. Vacaville, Solano County, California, USA.
BUT0091


Mournful duskywing caterpillar (Erynnis tristis). Focus-stacked composite of 42 exposures at lifesize. Vacaville, Solano County, California, USA.
BUT0092

Next Insect: Lorquin's admiral (Limenitis lorquini)



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All images copyright Timothy Boomer. All rights reserved worldwide.