- Barbitistes gracilis Fieber, 1853: 261. (valid)
Syntype; male; 5f77c494-77e9-4deb-8ec7-4980afd957e6; deposited at: Naturhistorisches Museum, Wien (NMW); Albania: Dalmatia. Syntype; female; b1e6ffc9-4913-4746-b2d5-b541d2fd22cd; deposited at: Naturhistorisches Museum, Wien (NMW); Albania: Dalmatia
- Barbitistes gracilis Fieber, 1853 (subjective synonym of Barbitistes schmidtii Fieber, 1853) in Kirby, 1906: 377.
- ... Show all ... (36)
- Isophya toelgi Ebner, 1908: 332.
Holotype; male; 6506b0ea-4505-40c7-b1b4-b1e0010b180a; deposited at: Naturhistorisches Museum, Wien (NMW); Bosnia and Herzegovina: Serbian Republic: Cajnica
- Isophya tölgi [sic] Ebner, 1908: 332. (not Latin)
- Isophya tölgi [sic] Ebner, 1908 (incorrect original spelling of Isophya toelgi Ebner, 1908)
- Isophya tölgi [sic] Ebner, 1908 (incorrect original spelling of Barbitistes gracilis Fieber, 1853)
- Poecilimon gracilis (Fieber, 1853) in Ebner, 1928: 53.
- Poecilimon gracilis (Fieber, 1853) in Ramme, 1933: 516.
- Isophya toelgi Ebner, 1908 (subjective synonym of Barbitistes gracilis Fieber, 1853) in Ramme, 1933: 516.
- Isophya toelgi Ebner, 1908 (subjective synonym of Barbitistes gracilis Fieber, 1853) in Ramme, 1951: 137.
- Poecilimon gracilis (Fieber, 1853) in Ebner, 1951: 154.
- Poecilimon gracilis (Fieber, 1853) in Bey-Bienko, 1954: 279.
- Isophya toelgi Ebner, 1908 (subjective synonym of Barbitistes gracilis Fieber, 1853) in Harz, 1957: 167.
- Poecilimon mavrovi Karaman, 1958: 38.
Syntype; male; 1bc9cb82-7282-47da-bde7-cc2f3f75d961; deposited at: University of Novi Sad (BUNS); Macedonia: Polog: Mavrovo. Syntype; female; a381db2e-a35b-42e6-b16b-39133f0d8db8; deposited at: University of Novi Sad (BUNS); Macedonia: Polog: Mavrovo
- Poecilimon gracilis (Fieber, 1853) in Ebner, 1958: 8.
- Poecilimon gracilis (Fieber, 1853) in Cejchan, 1963: 768.
- Poecilimon gracilis (Fieber, 1853) in Miksic, 1967
- Poecilimon gracilis (Fieber, 1853) in Harz, 1969: 123.
- Poecilimon mavrovi Karaman, 1958 in Harz, 1969: 123.
- Isophya toelgi Ebner, 1908 (subjective synonym of Barbitistes gracilis Fieber, 1853) in Harz, 1969: 123.
- Poecilimon gracilis (Fieber, 1853) in Miksic, 1970
- Poecilimon gracilis (Fieber, 1853) in Murraj, Dino & Alimëhilli, 1970: 138.
- Poecilimon gracilis (Fieber, 1853) in Willemse, 1977: 53.
- Poecilimon gracilis (Fieber, 1853) in Miksic, 1978
- Poecilimon gracilis (Fieber, 1853) in Willemse, 1982: 161.
- Poecilimon mavrovi Karaman, 1958 (subjective synonym of Barbitistes gracilis Fieber, 1853) in Willemse, 1982: 161.
- Poecilimon gracilis (Fieber, 1853) in Heller, 1984: 85.
- Poecilimon mavrovi Karaman, 1958 (subjective synonym of Barbitistes gracilis Fieber, 1853) in Heller, 1984: 85.
- Poecilimon gracilis (Fieber, 1853) in Heller, 1988: 51.
- Poecilimon mavrovi Karaman, 1958 (subjective synonym of Barbitistes gracilis Fieber, 1853) in Heller, 1988: 52.
- Poecilimon gracilis (Fieber, 1853) in Pavićević & Karaman, 2001: 25.
- Poecilimon gracilis (Fieber, 1853) in Nagy, 2005: 17.
- Poecilimon gracilis (Fieber, 1853) in Chobanov & Heller, 2010: 661.
- Isophya toelgi Ebner, 1908 (subjective synonym of Barbitistes gracilis Fieber, 1853) in Chobanov & Heller, 2010: 661.
- Poecilimon mavrovi Karaman, 1958 (subjective synonym of Barbitistes gracilis Fieber, 1853) in Chobanov & Heller, 2010: 661.
- Poecilimon gracilis (Fieber, 1853) in Pavićević, Ivković & Horvat, 2014: 109.
- Poecilimon gracilis (Fieber, 1853) in Strauß, Lehmann & Lehmann, 2014
- Poecilimon gracilis (Fieber, 1853) in Skejo, Rebrina, Szövényi, Puskás & Tvrtković, 2018: 25.