Checklist and provisional atlas of singing cicadas (Hemiptera: Cicadidae) of Bulgaria, based on bioacoustics
Trilar, Tomi | Gjonov, Ilia | Gogala, Matija
The singing cicadas (Hemiptera: Cicadidae) of Bulgaria were poorly known. There are published records for 14 species: Cicadaorni, Lyristesplebejus, Cicadatraatra, Cicadatrahyalina, Cicadatrapersica, Cicadettamontana, Cicadettamediterranea, Dimissalnadimissa, Oligoglenatibialis, Tympanistalnagastrica, Pagiphoraannulata, Saticulacoriaria, Tibicinahaematodes and Tibicinasteveni. Two species from this list were doubtful in the beginning of our study, since Tympanistalnagastrica is distributed in central and southern Portugal and Saticulacoriaria is a north African species. We checked three major institutional collections housed in Sofia, Bulgaria: the National Museum of Natural History (SOFM), the Institute of Zoology (ZISB) and the Biology Faculty of Sofia University "St. Kliment Ohridski" (BFUS). We confirmed 11 of the species mentioned in literature, except Cicadettamediterranea and found two additional species: Cicadatraplatyptera and Cicadettamacedonica (the specimens in BFUS were bioacoustically confirmed). Based on this knowledge, we further investigated the singing cicadas of Bulgaria with the use of morphological and bioacoustic methods in the years 2008, 2009, 2010, 2012, 2016, 2018 and 2019. We were not able to confirm the presence of Cicadatrapersica and Cicadettamediterranea, but found three additional species: Cicadettabrevipennis s. lat., Cicadettacantilatrix and Tettigettulapygmea. Using the bioacoustic methods, we also detected unknown singing patterns, which could belong to three or four additional taxa, which need to be described. The Bulgarian fauna of singing cicadas at the moment consists of 16 confirmed and 3-4 potential species.
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