👉 Cosmochthoniidae is a group of insects that are closely related to the family of insect flies, known as Diptera. They are characterized by their small size (up to 2 mm in length) and the ability to fly without wings. The term "cosmochthoniidae" refers to the large number of these flies found on the surface of Earth's atmosphere at night, which is not possible for other flying insects due to the lack of wings or wings
