''Oonops domesticus'' is a tiny spider (males about 1.5 mm, females 2 mm) from

Western Europe Western Europe is the western region of Europe. The region's countries and territories vary depending on context. The concept of "the West" appeared in Europe in juxtaposition to "the East" and originally applied to the ancient Mediterranean ...

Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...

. It is a bleak light red, with a reddish to whitish

abdomen The abdomen (colloquially called the belly, tummy, midriff, tucky or stomach) is the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates. The abdomen is the front part of the abdominal segment of the torso. ...

. It is found only in buildings, where it builds a retreat in corners and between old paper. It hunts at night, probably with

booklice Psocoptera are a paraphyletic group of insects that are commonly known as booklice, barklice or barkflies. The name Psocoptera has been replaced with Psocodea in recent literature, with the inclusion of the former order Phthiraptera into Psocod ...

as their common prey. Its translucent flat egg sacs contain only two eggs. It is very similar to the closely related '' O. pulcher'', but has five tibial spine pairs instead of four. ''O. pulcher'' is found outdoors.

Name

The species name ''domesticus'' is

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...

for "home".

References

Oonopidae Spiders of Europe Spiders of Russia Spiders described in 1916 {{oonopidae-stub