About Pyrgus maculatus (Bremer & Grey, 1853)
Pyrgus maculatus is an eastern Palearctic butterfly species that belongs to the family Hesperiidae and the subfamily Pyrginae. This species was first formally described by Otto Vasilievich Bremer and William Grey in 1853. Its known distribution includes South Siberia, ranging from Altai to Ussuri, and Japan. The larva of Pyrgus maculatus feeds on plants of the genus Spiraea, specifically including Spiraea ussuriensis and Spiraea media, as well as the species Potentilla freyniana.