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Elmidae: Optioservus?

Elmidae: Optioservus?
Keller, Ferry County, Washington, USA
July 25, 2011
Size: 3.2 mm

Images of this individual: tag all
Elmidae: Optioservus? Elmidae: Optioservus?

Moved from Beetles.

Moved from ID Request.

Thoracic pleurites
We really need a cleaner shot of the underside of the thoracic segments in order to see how many separate sclerites are on each segment.

thoracic pleurites
Yes - this may be difficult, as the specimen is only 3 mm long. Even with a macro lens and good camera I can't quite get the resolution needed. I think I'll have to go through more material to find a more mature specimen. Thanks Brady.

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