Synnevrus ohli Schmid-Egger, 2011, comb. nov.

(Figs 31–32, 35)

Synnevrus ohli Schmid-Egger, 2011:592, ♂. Holotype: ♂, United Arab Emirates: Dubai /al-Awir (ZMHU). – Nemkov (2017) placed it in the genus Nysson . – Gadallah et al. (2024): Fauna of Saudi Arabia, description of ♀.

Material examined: OMAN 5 ♂ 2 29.viii.2019 Dhofar, Wadi Darbat near Highway 17.065 N, 54.431 E , leg. CSE (CSE); 1 ♀ 30.viii.2019 Dhofar, 2 km W Taqah 17.033 N, 54.357 E , leg. AJ (AJ); 5 ♂ 30.viii.2019 Dhofar, 6 km E Taqah 17.049 N, 54.454 E , leg. CSE (CSE); 1 ♂ 31.viii.2019 Dhofar, 18 km W Raysut, Ayn Ishat 16,997 N, 53,821 E , leg. CSE (CSE); 3 ♂ 04.ix.2019 Dhofar, 13 km N Mirbat, Samhan mountain 17.111 N, 54.711 E , leg. CSE (CSE); 1 ♂ 27.ii.2020 Dhofar, 2 km W Taqah 17.033 N, 54.357 E , leg. AJ (AJ); 1 ♂ 03.iii.2020 Nemer, Wadi Ronub 18.529 N, 56.347 E , leg. AJ (CSE); 1 ♀ 12.x.2021 20 km W Salalah, Ayn Humran 17.097 N, 54.284 E , leg.; 11 ♂ 7 12.x.2021 80 km SSW Salalah 16,857 N, 53,420 E ; 1 ♀ 15.x.2021 75 km W Salalah 16,842 N, 53,434 E ; 1 ♂ 1 16.iii.2023 4 km S Jamma 2 km N Mansur 23.521 N, 57.553 E ; 1 ♂ 21.iii.2023 20 km SE Sur 22.454 N, 59.625 E ; 1 ♂ 21.ix.2023 15km W Mirbat 17.033 N, 54.592 E , M; 6 ♂ 1 24.ix.2023 5 km NE Magsail 16,910 N, 53,803 E ; 3 ♂ 2 30.ix.2023 6 km NW Thalkut 16.751 N, 53.204 E, leg. M. Halada (CSE) . SAUDI ARABIA 1 ♂ 25.ii.2024 Jazan prov., Wadi Jawra, Ayban 17.45 N, 43.07 E ; 1 ♀ 28.ii.2024 Jazan prov., 25 km N Baysh 17.586 N, 42.624 E ; 1 ♀ 21.x.2024 Jizan pr., 12km W Al Khawbah 16.788 N, 43.114 E ; 1 ♀ 22.x.2024; 1 ♂ 22.x.2024 Makkah pr., QarnHuthail, wadi 19.252 N, 41.794 E ; 3 ♂ 24.x.2024 Asir pr., 30km NNW Muhayil 18.773 N, 41.960 E ; 1 ♀ 26.x.2024 Jizan pr., N of Ad Darb, W. Reem 18.841 N, 42.267 E ; 2 ♀ 03.xi.2024; 4 ♂ 03.xi.2024 Jizan pr., 18km N Baish, 17.526 N, 42.587 E ; 1 ♀ 08.xi.2024 Jizan pr., 20km SE Abu Arish, Iskan 16.829 N, 42.971 E ; 8 ♂ 09.xi.2024 Jizan pr., 12km W Al Khawbah 16.788 N, 43.114 E, leg. M. Halada (CSE) , UNITED ARAB EMIRATES 1 ♂ 26.iv.1984 Dubai / Al Awir 24.93 N, 55.16 E, leg. Sudgen (ZMHU, type specimen) .

Recognition: Synnevrus ohli is unique among Arabian Nyssonni in having the combination of a continuous white band on the pronotum, a white basal spot on the scutellum and white lateral spots on T 1–3 only (in rare cases also on T4). The base of T1 is usually black, but may be red in males and females.

Distribution: Oman, Saudi Arabia and UAE (Fig. 35). It is by far the commonest species of Nyssonini on the Arabian Peninsula. The specimens from the UAE were already published by Schmid-Egger (2011, 2014). The records from Oman are the first records for that country.

Remark: Synnevrus ohli was described in Synnevrus . This genus was synonymized with Nysson by Nemkov & Lelej (2013), and the corresponding species were consequently placed in Nysson by Nemkov (2017). However, we consider Synnevrus to be a valid genus, and the species is again listed under this genus. See introduction for details.