Over the last week or so as warmer weather has arrived, I've noticed small insects crawling around in the bathroom. I'm located in western Europe. They are perhaps 1mm in length, quite difficult to see without a magnifying glass. I used a macro lens to capture these pictures. What might they be? Ticks? Aren't ticks larger? Why are there so many?
Note: these pictures are heavily magnified (they are on an old wooden door with cracking paint), and I've applied lighting auto correction. Actual size of each insect is 1mm or less.