Hydrellia griseola (Fallén, 1813)
(Fig. 14)
Notiphila griseola Fallén, 1813: 250 .
Hydrellia griseola: Macquart 1835: 523 [generic combination]: Lilljeborg 1861: 205–215 [biology]; Müller 1922: 37–40 [immature stages]; Willcocks 1925: 339–340 [pest on rice]; Balachowsky & Mesnil 1935: 926–930 [immature stages]; Laurence 1952: 31–33 [feeding, diet]; Zangheri 1956: 12–16 [natural history]; Grigarick 1959: 1–77 [immature stages, natural history]; Deonier 1971: 63–69 [revision, immature stages]; Deeming 2002: 53 [review, Oman].
Hydropota griseola: Coe 1945: 396 [generic combination].
Notiphila chrysostoma Meigen 1830: 67: Séguy 1934: 430 [synonymy].
Hydrellia chrysostoma: Meigen 1838: 373 [generic combination].
Hydropota chrysostoma: Coe 1945: 396 [generic combination].
Ephydra obscura Meigen 1830: 115 [preoccupied, Meigen 1830]: Becker 1902: 309–310 [synonymy].
Coenia obscura: Macquart 1835: 530 [generic combination].
Hydropota obscura: Coe 1945: 396 [generic combination].
Hydrellia communis Robineau-Desvoidy 1830: 791: Macquart 1835: 523 [synonymy].
Psilopa incerta Becker 1924: 91: Zatwarnicki 1988: 598 [synonymy].
Hydrellia incerta: Hennig 1941: 161 [generic combination].
Hydrellia chinensis Qu & Li in Fan et al. 1983: 9: Zatwarnicki 1988: 598 [synonymy].
Hydrellia sinica Fan & Xia in Fan et al. 1983: 7: Zatwarnicki 1988: 598 [synonymy].
Specimens examined. 1 ♀, Asir, Al-Souda, Al-Muqtha Dam, 1. ii. 2012, sweeping, H.A. Dawah (CERS) .
Distribution. This is first record from Saudi Arabia. This species was described without citation of type locality (Sweden?). It is widespread in the Palaearctic and Nearctic, also Australasian/Oceanian: Australia (Queensland); Neotropical Region: Colombia; Oriental Region: Nepal, Philippines, and Taiwan.