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Phoretic mite, air mounted, ventral

Phoretic mite, air mounted, ventral
Jemez Mountains, Sandoval County, New Mexico, USA
September 5, 2020
Size: 374 µm
Download high resolution image here.

The mite has been removed from the host and air mounted onto to the end of a 3 mil tungsten wire for this ventral view. The background is black nail polish onto which the dorsal surface is adhered. This is necessary to reduce background light since the sternal plate is recessed within the dorsal shell and, therefore, poorly illuminated by >0.90/NA foreward (oblique) darkfield illumination. The forelegs, which stick out, are much more highly exposed. I used Photoshop Elements to lighten shadows and darken highlights for this picture.

This image is from a Helicon Focus processed stack of 218 images with a 0.4 µm step taken with a Nikon CF BD 50×/0.90 ∞/- Apo microscope objective + Nikon 200 mm F4 AIS telephoto lens + Nikon D810 camera (magnification 50×; technique described here).

Images of this individual: tag all
Phoretic mite on host, dorsal Phoretic mite, air mounted, ventral