First records of spongillaflies (Neuroptera: Sisyridae) in Serbia and Bosnia and Herzegovina, with notes on their occurrence in the Balkan countries

Data on the occurrence of four spongillafly species in the Balkan countries are provided. Two species are recorded for the first time in two countries: Sisyra nigra (Retzius, 1783) in Serbia and Bosnia and Herzegovina and Sisyra terminalis Curtis, 1854 in Serbia.