The Thripidae subfamily Sericothripinae (Thysanoptera) from Saudi Arabia with a new species of Hydatothrips Karny Author Rasool, Iftekhar 0000-0002-8955-2340 irasool @ ksu. edu. sa; https: // orcid. org / 0000 - 0002 - 8955 - 2340 irasool@ksu.edu.sa Author Soliman, Ahmed M. ammsoliman@gmail.com Author Alattal, Yehya Zaki 0000-0002-8164-7636 yalattal @ KSU. EDU. SA; https: // orcid. org / 0000 - 0002 - 8164 - 7636 Author Al Dhafer, Hathal M. hdhafer @ ksu. edu. sa; http: // orcid. org / 0000 - 0002 - 4911 - 2332 hdhafer@ksu.edu.sa text Zootaxa 2021 2021-01-13 4908 1 29 40 journal article 8857 10.11646/zootaxa.4908.1.2 dca94007-2ae6-4e2c-b937-439e79a71a9a 1175-5326 4435706 8481BD48-D4DB-48D4-A308-561AF6599977 Hydatothrips adolfifriderici Karny ( Figs 1–7 , 32, 33 ) Hydatothrips adolfifriderici Karny, 1913: 218 . This Afrotropical species was described originally from Nigeria and is widespread from South Africa to Sudan (zur Strassen 2004), but has been recorded from Yemen in south western of Arabian Peninsula (zur Strassen 1990). In general appearance and characters, it is close to H. spadix (Hartwig) from South Africa , but is distinguished by: fore wing costal setae at middle shorter than width of wing at middle (as long as width of wing in the middle in H. spadix ); abdominal segments IV and V and antennal segments III–V largely yellow ( Figs 4 & 6 ) (uniformly dark brown, except antennal segment III yellow at basal half in H. spadix ) ( Bhatti 1973 ). This species is widely associated with leaves of Fabaceae and Moraceae ( Priesner 1965 ; zur Strassen 1990), and is an important pest of Phaseolus vulgaris in Africa ( Nyasani et al. 2012 ). It was also collected from these families during the current study. FIGURES 1–7. Hydatothrips adolfifriderici female. (1) Head and pronotum; (2) Metasternal plate; (3) Meso- and metanotum; (4) Tergites IV–VI; (5) Tergites VII–X; (6) Sternites IV–VI; (7) Fore wing. Material studied. SAUDI ARABIA , Al Baha , Al Makhwa , Thee Ain Village , 14 females and 3 males from Ficus sycomorus leaves, 7.iv.2019 , ( 19°55.776’N 41°26.598’E Alt. 741 m ) , BT, ( Rasool, I. ); Al Baha , Shada Al-Ala Natural Reserve , 2 females and 1 male from Ficus sycomorus , 19 females and 1 male from Phaseolus vulgaris leaves, 1 female from grasses, 8.iv.2019 , ( 19°50.575’N 41°18.691’E Alt. 1666 m ), BT, ( Rasool, I. ) ( KSMA ) .