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Photo#911807
Marilia flexuosa - voucher specimen, in alcohol - Marilia flexuosa

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.