Cellar spiders (Pholcidae)
Marbled cellar spider (Holocnemus pluchei)
Web: an open, messy, 3D web, often with a dome like structure.
Habitat: almost always in (non)heated industrial buildings such as warehouses, hangars or garden centres. Often in corners.
How to recognize:
Looks similar to:
Size
♀: 5-7,5 mm
♂: 5-7 mm
When?
♀: throughout the year
♂: throughout the year