Innocent dusky cockroach Ectobius lapponicus, which is often mistaken for a pest
If you encounter such cockroaches near your home or even indoors, do not rush to kill them. This is a dusky cockroach, and it is absolutely harmless.
Bird mites (highly likely red mites Dermanyssus gallinae) from the apartments right under the attic
Identifying mites of the genus Dermanyssus is a real pleasure when they are photographed as in these images, when their insides are clearly visible...
Tropical rat mites Ornithonyssus bacoti from my viewer’s apartment
My viewer had such small biting parasites in his apartment that it was possible to photograph them normally only through a microscope. See what they look like and how to recognize them correctly: