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Marilia flexuosa - voucher specimen, in alcohol - Marilia flexuosa
Copyright © 2014 Mark Melton

Marilia flexuosa - voucher specimen, in alcohol - Marilia flexuosa
Healdsburg, Russian River, Sonoma County, California, USA
April 17, 2014
Size: larva 7 mm, case 9 mm
As larvae get larger they add larger sand grains to the top of the case, earlier instars usually have a more uniform case consisting of just the smaller grains of sand.
Contributed by Mark Melton on 22 April, 2014 - 7:53am

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