New Records of Species Taeniopteryx hubaulti Aubert, 1946 and Taeniopteryx schoenemundi (Mertense, 1923) (Plecoptera: Taeniopterygidae) in Serbia

Species Taeniopteryx hubaulti Aubert, 1946 and T. schoenemundi (Mertense, 1923) have been emphasized as endangered or vulnerable species in several European countries due to their local and limited distribution. More intensive research of these species on the territory of Serbia was conducted from 2011 to 2022. Taeniopteryx hubaulti was registered in seven localities. Five of these localities (Brusnicka and Jerma rivers, the spring of the Raska River, and two localities on Grza River, spring and tufa barriers) were recorded as new sites of this species in Serbia. Two localities (Barska River and Lisinski Stream) had already been known from previous studies. The species T. schoenemundi was recorded in four new localities (Dulenska, Visocica, Temstica, and Trnavska rivers). Both species were found in waters with high oxygen concentration, relatively uniform low water temperature, and variable values of hardness, electrical conductivity, and pH values, with a small amount of inorganic nutrients. Considering the rare occurrence and prominent importance of these species as biological indicators of water quality and climate change, their findings have a great deductive value. This research represents an important contribution to the insight into the distribution of T. hubaulti and T. schoenemundi species.