Material examined. Hnanice, Šobes vineyard and Nad papírnou hills (45), ♀, viii., Inv. No. 8356; Štítary, village vicinity (51), J, viii., Inv. No. 6789; Vrbovec, Vrbovecký potok brook (60), J, vi., Inv. No. 7586.
Comment. Known from most of Europe, very common locally mainly on extreme localities (salt works, thermal springs, calcareous water, mineral-rich springs). Recorded as well in Algeria, Morocco, Israel, Afghanistan, Iran, and USA.