Within provided investigations 12 species of drosophilid flies were identified which belong to 4 genera. Two genera and 4 species are new records for the country.
List of Species
Genus Amiota (Loew, 1862)*
1. A. subtusradiata Duda, 1934
Material examined: Narazeni. 15.07.2021. Coll.: Ani Kiria, Aleksandre Narsia.
Distribution: Palaearctic.
Genus Drosophila Fallen, 1823
2. D. busckii Coquillett, 1901*
Material examined: Melauri, 15.07.2021. Coll.: Nino Tkeshelashvili, Khatia Areshidze and Lana Makalatia; Apnisi, 29.05.2021. Coll.: Luka Janjghava and Konstantine Buchukuri;
Distribution: Cosmopolite.
3. D. immigrans Sturtevant, 1921
Material examined: Melauri, 18.06.2021, 15.07.2021, Sazano 15.07.2021, Coll.: Nino Tkeshelashvili, Khatia Areshidze and Lana Makalatia; Kondoli, Shashiani, 15.08.2021. Coll.: Ana Amonashvili, Mariam Aleksidze and Mariam Onikashvili.
Distribution: Cosmopolitan. Previous records in Georgia from Imereti region, Khanistskali River (Obona et al. 2019).
4. D. kuntzei Duda, 1924*
Material examined: Melauri, 15.07.2021. Coll.: Nino Tkeshelashvili, Khatia Areshidze and Lana Makalatia; Kurdgelauri, 05.06.2021. Coll.: Ana Amonashvili, Mariam Aleksidze and Mariam onikashvili.
Distribution: Palaearctic.
5. D. melanogaster Meigen, 1830
Material examined: Naruja, 18.07.2021. Coll.: Mariam Beridze, Salome Kalandadze, Nana Mamulaishvili; Ingiri, 15.07.2021. Coll.: Ani Kiria, Eleonora Kiria, Aleksandre Narsia; Skra, 08.09.2021. Coll.: Luka Janjghava and Konstantine Buchukuri; Mukuzani, Kondoli,15.08.2021. Coll.: Ana Amonashvili, Mariam Aleksidze and Mariam onikashvili.
Distribution: Cosmopolitan. According to the Georgian biodiversity database, the species is known from Georgia, however, the occurrence was not checked by experts and the occurrence might be doubtful (Tarkhnishvili and Chaladze, 2013).
6. D. phalerata Meigen, 1830*
Material examined: Melauri, 15.07.2021, Coll.: Nino Tkeshelashvili, Khatia Areshidze and Lana Makalatia; Shashiani, 05.06.2021, Coll.: Ana Amonashvili, Mariam Aleksidze and Mariam Onikashvili
Distribution: Europe.
7. D. simulans Sturtevant, 1919
Material examined: Naruja, 20.09.2021, Coll.: Mariam Beridze, Salome Kalandadze, Nana Mamulaishvili; Sazano, 15.07.2021, Coll.: Nino Tkeshelashvili, Khatia Areshidze and Lana Makalatia; Kondoli, Shashiani, 15.08.2021, Kurdgelauri, 25.09.2021. Coll.: Ana Amonashvili, Mariam Aleksidze and Mariam Onikashvili.
Distribution: Cosmopolitan. Previous records in Georgia from Shida Kartli, Imereti Region – Ghvedi, Tsablaraskhevi River (Oboňa et al. 2019)
8. D. subobscura Collin, 1936
Material examined: Apnisi, 29.05.2021. Coll.: Luka Janjghava and Konstantine Buchukuri; Shashiani, 15.08.2021, Coll.: Ana Amonashvili, Mariam Aleksidze and Mariam Onikashvili.
Distribution: According to the Georgian biodiversity database, the species is known from Georgia, however, the occurrence was not checked by experts and the occurrence might be doubtful (Tarkhnishvili and Chaladze, 2013).
9. D. suzukii (Matsumura, 1931)
Material examined: all studied locations (Table 1)
Distribution: Cosmopolitan (Walsh et al. 2011). Previous records from Georgia: Batumi (Japoshvili et al. 2018), Imereti Region – Ghvedi, Racha-Lechkhumi and Kvemo Svaneti - Tskhenistskali River near Durashi, Tskhenistskali River near Makhashi (Oboňa et al. 2019)
10. D. testacea von Roser, 1840
Material examined: Naruja, Laituri, 18.07.2021. Coll.: Mariam Beridze, Salome Kalandadze, Nana Mamulaishvili; Melauri, Obcha, 15.07.2021, Rukhi, 09.06.2021, Coll.: Nino Tkeshelashvili, Khatia Areshidze and Lana Makalatia; Apnisi, 29.05.2021, Coll.: Luka Janjghava, Konstantine Buchukuri; Kurdgelauri, 05.06.2021, Mukuzani, Kondoli, 15.08.2021, Coll.: Ana Amonashvili, Mariam Aleksidze and Mariam Onikashvili.
Distribution: Palaearctic (Oboňa et al. 2019). Previous records from Georgia: Racha-Lechkhumi and Kvemo Svaneti - Tskhenistskali River near Durashi (Oboňa et al. 2019)
Genus Gitona Meigen, 1830*
11. G. distigma Meigen, 1830
Material examined: Apnisi, 10.08.2021, Coll.: Luka Janjghava and Konstantine Buchukuri
Distribution: Palaearctic.
Genus Zaprionus Coquillett, 1901
12. Z. tuberculatus Malloch, 1932
Material examined: Naruja, 20.09.2021, Coll.: Mariam Beridze, Salome Kalandadze, Nana Mamulaishvili
Distribution: Afrotropical, Mediterranean (Oboňa et al. 2019). Previous records from Georgia: Imereti – Ghvedi, Khanistskali River (Oboňa et al. 2019).