Trachysphaera species are patchily distributed throughout Europe and western Asia, extending from Spain to Caucasia.

The species belonging to Trachysphaera exhibit a whitish coloration and are generally small, with adult individuals measuring no more than 5 mm in length.

[4] One of the most striking characteristics of this genus is the presence of transverse ribs located in the posterior regions of the tergites.

[4] Trachysphaera is one of the few glomerid genera possessing a deep lateral pit on both sides of the thoracic shield.

[1] In addition to its presence in Europe, Trachysphaera species have also been reported in specific regions of western Asia.