Syrphus aegyptius Wiedemann, 1830: 133 An overview of the Syrphidae (Diptera) of Saudi Arabia Dawah, Hassan A. Abdullah, Mohammed A. Ahmad, Syed Kamran Al-Dhafer, Hathal Turner, James Zootaxa 2020 2020-09-25 4855 1 1 69 3Q3Z5 (Wiedemann, 1830) Wiedemann 1830 [151,644,1749,1776] Insecta Syrphidae Ischiodon Animalia Diptera 36 37 Arthropoda species aegyptius  ( Fig. 42)      Syrphus aegyptius Wiedemann, 1830: 133.   Examined specimens.  1♂, Najran, Al-Shurfa,  13.iii.2013, Malaise trap, H.A. Dawah( CRES);  1♂, Jazan, Abu Aresh, Al-Mahdage village,  1.ii–3.vi.2011, Malaise trap, H.A. Dawah( CERS);  1♂, Asir, Maraba, Al-Hudaithy Fruit Farm,  22.iv.2013, Malaise trap, H.A. Dawah( NMWC);  2♂, 1♀, Al-Riyadh, Al Aziziyah,  10.x.1977, A. Talhouk& S.Tilkian( KSMA);  2♂, same locality but  25.iii.1978( KSMA);  2♂, 2♀, same locality but  30.i.1982( KSMA);  2♂,  16.iv.1978( KSMA);  1♂, 1♀, same locality but  25.vii.1978( KSMA);  1♂, Fifa, Jebel Fifa,  1.ii.1983, A. Talhouk & S. Tilkian( KSMA);  1♂, Riyadh, Al-Uyaynah, 45 Km.W. Ar Riyadh,  9.iv.2008, Attorck, alfalfa ( KSMA);  1♀, same locality but  27.ii.2008, Ashahrany( KSMA);  1♂, 1♀, Al-Riyadh, Ad Dir’iyah, 20 km. W. Al-Riyadh,  1.xi.1989, alfalfa, Soliman( KSMA);  1♀, Al-Riyadh, Ad Diriyah,  5kmNW Al-Riyadh(on alfalfa),  16.v.1996, A. Soliman( KSMA);  1♀, same locality but  15.xi.1989, M.M. Salem( KSMA);  1♂, Al-Riyadh, Al Aziziyah(on alfalfa)  15–viii-1980( KSMA);  3♂, 3♀, Al-Riyadh, Rhodet Khorim, National Park,  14.iv.2012, sweeping, Al-Dhafer H., ( KSMA);  1♂, 1♀, same locality but  17.ii.2012, sweeping ( KSMA), H. Al-Dhafer, ( KSMA),  1♂, 1♀, same locality but  28.iv.2012, Al-Dhafer H., ( KSMA).   Distribution.The species was previously recorded from Saudi Arabiaby Martin (1972)and recently by El-Hawagry et al. (2019). It was described from “ Egyptand Nubia” (currently divided into Egyptand Sudan). Mengual (2018) cites Eritreaand Ethiopia(as Abyssinia) as being typelocalities and it is further recorded from the Afrotropical Region: Central African Republic, Cape VerdeIslands, Kenya, Madagascar, Mauritius, Réunion, St Helena, São South Africa, The Gambia, Tomé, UAE, Yemenand Zimbabwe; Palaearctic Region: Canary Islands, Cyprus, Iran, Israel, Italy, Morocco, southern Spain( Smith & Vockeroth 1980; Birtele et al. 2010; Khosravian et al. 2015; Smit et al. 2017; Mengual 2018; Speight 2020).   Remarks. Speight (2020)gave an account of the biology, ecology and determination of this species. Laska et al. (2006)provide a key for separation of the last instar larvae and puparia of  I. aegyptiusand  I. scutellaris.Larvae of  I. aegyptiusare most usually feeding on aphids but also on thrips (Thysanoptera), whiteflies ( Hemiptera: Aleyrodidae) and caterpillars ( Lepidoptera) ( Rojo et al. 2003).   FIGURE 42.Habitus of  Ischiodon aegyptius( Wiedemann, 1830). Female, lateral view.  Genus  MelanostomaSchiner The genus  Melanostomais represented in most biogeographical regions of the Old World, with 59 species having the preponderance inhabiting tropical areas. Little is known with respect to their biology, but they are suspected to be general predators of small insects in leaf litter ( van Veen2004; Ball & Morris 2000). 3029038369 [422,1242,1924,1951] 2013-03-13 CRES H. A. Dawah Al-Shurfa 36 37 1 1 Najran 3029038315 2011-02-01 2011-06-03 2011-02-01 CERS H. A. Dawah Al-Mahdage village Abu Aresh 36 37 1 1 Jizan 3029038435 2013-04-22 NMWC H. A. Dawah Al-Hudaithy Fruit Farm Maraba 36 37 1 1 'Asir 3029038421 1977-10-10 KSMA A. Talhouk & S. Tilkian 37 38 Al Aziziyah Al-Riyadh 36 37 3 1 2 'Asir 3029038520 [409,896,150,177] 1978-03-25 KSMA A. Talhouk & S. Tilkian Al Aziziyah Al-Riyadh 37 38 2 2 'Asir 3029038480 [909,1432,151,177] 1982-01-30 KSMA A. Talhouk & S. Tilkian Al Aziziyah Al-Riyadh 37 38 4 2 2 'Asir 3029038463 [151,432,187,213] 1978-04-16 KSMA 37 38 2 2 'Asir 3029038469 [445,990,186,213] 1978-07-25 KSMA 37 38 2 1 1 'Asir 3029038533 1983-02-01 KSMA S. Tilkian Jebel 37 38 1 1 Fife 3029038412 [476,1432,222,249] 2008-04-09 KSMA Attorck Al-Uyaynah Ar Km. 37 38 1 1 Ar Riyad 3029038407 [151,774,259,285] 2008-02-27 KSMA Ashahrany Al-Uyaynah Ar Km. 37 38 1 1 Ar Riyad 3029038424 1989-11-01 KSMA W. Al-Riyadh & Soliman Ad Dir'iyah Al-Riyadh 37 38 2 1 1 Ar Riyad 3029038529 1996-05-16 KSMA A. Soliman Ad Diriyah Al-Riyadh 37 38 1 1 Ar Riyad 3029038526 [364,987,330,357] 1989-11-15 KSMA M. M. Salem Ad Diriyah Al-Riyadh 37 38 1 1 Ar Riyad 3029038425 1980-08-15 KSMA Al Aziziyah Al-Riyadh 37 38 1 1 Ar Riyad 3029038444 2012-04-14 KSMA Al-Dhafer H. Al-Riyadh National Park Rhodet Khorim 37 38 6 3 3 Ar Riyad 3029038506 [266,904,403,429] 2012-02-17 KSMA Al-Dhafer H. Al-Riyadh National Park Rhodet Khorim 37 38 2 1 1 Ar Riyad 3029038509 [916,1179,403,429] KSMA Al-Dhafer 37 38 1 Ar Riyad 3029038393 2012-04-28 KSMA Al-Dhafer H. Al-Dhafer 37 38 2 1 1 Ar Riyad