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Photo#89898
minute translucent springtails, Ceratophysella?

minute translucent springtails, Ceratophysella?
Nashua, Hillsborough County, New Hampshire, USA
Size: 0.3 - 0.8 mm
The individual on the left has got to be the smallest arthropod I've photographed. Such stubby extremities make me think it has to be a very young juvenile just beginning to fill out and take shape. I wonder what they look like fresh out of the egg.

Images of this individual: tag all
minute translucent springtails, are most Ceratophysella? minute translucent springtails, Ceratophysella? minute translucent springtails, are most Ceratophysella? minute translucent springtails, Ceratophysella?

Moved

Hypogastruridae
Freshly hatched springtails look alike there parents, but much smaller. And their head is proportionnaly larger. An egg of Hypogastruridae is typically 0.1 mm diameter. The hatched juvenile, curled up in the egg mouth to butt, is then about 0.314 mm (2*pi*r) ;-)
Possibly you have photographed the smallest hypogastrurid, indeed.
An educated guess for the genus = Ceratophysella.

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