המועדפים של nosect

1.4mm

3 mm

ID'd by @ferran9 (if you want credit for the ID please feel free to add it and I'll withdraw mine to avoid manufacturing a consensus ID when I can't ID the organism myself)

Host Plant : Betula pendula
Host : Tetranychus sp.

400-micron mite collected from Quercus agrifolia leaf litter using a Tullgren funnel, three of the five images taken at the California Academy of Sciences, also posted to the Acarology FB page.

Mites on the eggs of Formica fusca.

under damp log

Under a board, looks like it has antenniform legs