Mite- (Pyemotes ventricosus) - about 2mm in diameter, this mite feeds
on the larva of other pests. Unfortunately, in the absence of
other pests, these mite will attach themselves to humans.
Oak leaf Gall Mite- (Pyemotes herfsi) - about 0.2mm in diameter,
these tiny mites attach themselves to humans and feed. These
mites reproduce by paralyzing the larva of other pests and feeding
upon them until the female hatches up to 250 adult mites. This
mite can paralyze a larva up to 166,000 times its own weight.
Clover or Gooseberry Mite (also known as Red Spider
Mite)- (Bryobia praetiosa) - Oval shaped body about
0.7 mm in length and yellowish-green in color. These mites
do not damage books directly, but their
bodies will stain pages if squashed and also provide nourishment
for other pests. Known to swarm into buildings in early to
mid Spring to lay their eggs.