This is a small, but fascinating spider family. It comprises just 4 species of the genus Ero, two of them common and widespread. They are small spiders, about 5 mm long, with globular abdomens, which have two or four tubercles. They have annulated legs, the first pair endowed with a series of spines.
The Mimetidae are specialists in eating web-building spiders. Ero does not build a proper hunting web, it is a nomadic species which wanders in search of webs. Once found, she may…