Taxonomic revision of the Afrotropical Phytomia Guérin-Méneville (Diptera: Syrphidae) Author Meyer, Marc De Royal Museum for Central Africa, Invertebrates Section and JEMU, Leuvensesteenweg 13, B 3080 Tervuren Belgium. Author Goergen, Georg Author Jordaens, Kurt Royal Museum for Central Africa, Invertebrates Section and JEMU, Leuvensesteenweg 13, B 3080 Tervuren Belgium. & kurt. jordaens @ africamuseum. be; https: // orcid. org / 0000 - 0003 - 4321 - 5944 text Zootaxa 2020 2020-06-26 4803 2 201 250 journal article 10.11646/zootaxa.4803.2.1 1175-5326 3909047 0C0F5754-9530-4072-AF45-BDFE4A8A2B57 Phytomia curta (Loew) ( Figs 11 , 51 , 73 , 94 ) Megaspis curta Loew, 1858: 381 Eristalis ( Megaspis ) curtus Loew, 1860: 319 Material examined . LECTOTYPE (hereby formally designated and published; see comments): ♀ , SOUTH AF- RICA, ‘Caffraria’, Wahlberg ( NRMS ) (images examined, lectotype label by Kassebeer 1999) . Other material: BE- NIN, 1♂ , Aplaoué , February 2006 ; Calavi , 1♀ , 24.X.2000 ; 1♂ , October 2001 ; 1♂ , November 2015 ; 8♀ , Lokoli , 21.I.2005 ; 1♀ , Malanville , February 1997 ; Ouidah , 2♂ 7♀ , November 2004 ; 1♀ , September 2004 ; 1♂ , Lokossa , January 2007 ; 1♂ , Parakou , April 2003 ; Pénéssoulou , 1♂ , 10.XI.2004 ; 1♂ , May 2005 ; 1♂ , Porto Novo , December 2005 ; 1♂ , Sémé , 7.II.2016 ; Sèrou , 1♂ , October 2003 ; 1♂ April 2004 ; 1♂ , December 2006 , 1♀ , November 2007 , all G. Goergen ( IITA ) . BOTSWANA , 1♀ , Kasane , 29–31.XII.1984 , P. Forchhammer ( NMSA ) . BURKINA FASO , 2♀ , Djibo , 5-7.XI.2002 , S. Somé ( IITA ) . BURUNDI , Kigwena , 1♂ , 18.V.2010 , F. Ninganza; 1♂ , 6.II.2011 , D. Ntaka- rutimana; 1♀ , 2.IV.2011 , B. Nzigidahera (all OBPE ) ; 1♀ , Kigwena Forest , 7.I.2010 , L. Ndayikeza ( OBPE ) ; 1♀ , Lac Nyanza , 23.X.2013 , L. Ndayikeza ( OBPE ) ; Rumonge , 2♀ , June 1948 , 1♀ , May 1949 , all F. François ( KBIN ) ; 1♂ 1♀ , 23.III.2011 ; 2♀ , 9.XII.2012 , all L. Ndayikeza ( OBPE ) ; 1♂ , PNRusizi, secteur Delta , 19.V.2018 , E. Sinzinkayo ( OBPE ) . CAMEROON , 1♂ 5♀ , Meskine (agricultural site), 23.V.2018 , M. Azo’o Ela ( MAPC ) . CONGO, 1♂ , env. Brazzaville , 1907, E. Roubaud & A. Weiss ( MNHN ) . CONGO (DR), Albertville [=Kalemie], 1♀ , December 1918 ; 1♀ , 1–20.I.1919 , all R. Mayné ( KMMA ) ; Bukama , 1♀ , 19.III.1911 , Bequaert ( KMMA ) ; 1♂ , 1.V.1911 , Be- quaert ( KMMA ) ; 1♀ , 3.VII.1923 , C. Seydel ( KMMA ) ; Elisabethville [= Lubumbashi ] , 1♂ , 29.II.1912 , Bequaert ( KMMA ) ; 1♀ , 5.I.1921 , M. Bequaert ( KMMA ) ; 1♀ , 17.III.1921 , M. Bequaert ( KMMA ) ; 1♀ , 15.III.1922 , M. Be- quaert ( KMMA ) ; 1♀ , 31.I.1924 , C. Seydel ( KMMA ) ; 1♂ , 19.II.1924 , C. Seydel ( KMMA ) ; 1♀ , 17.I.1928 ( KBIN ) ; 1♀ , 3.X.1928 ( KBIN ) ; 1♀ , January 1930 , Walravens ( KMMA ) ; 1♀ , 20.XI.1930 ( KBIN ) ; 1♀ , 1–6.IX.1932 , De Loose ( KMMA ) ; 1♀ , March 1933 , M. Bequaert ( KBIN ) ; 1♀ , February 1935 , M. Bequaert ( KBIN ) ; 1♀ , 11.II.1956 , M. Lips ( KMMA ) ; 1♀ , Faradje , Uele , November 1912 , Lang & Chapin ( KMMA ) ; 1♂ , Garamba , July 1912 , Lang & Chapin ( AMNH ) ; 1♂ , Parc National Garamba, II /gd/8, 9.V.1951 , H. De Saeger ( KMMA ) ; 1♀ , Kambaye , Lomami , October 1930 , P. Quarré , KMMA ; 1♂ , Kando , Katanga , 2.V.1931 , G.F. de Witte ( KMMA ) ; Kapanga , Lulua , 1♂ , December 1931 ; 1♀ , October 1933 , all F.G. Overlaet ( KMMA ) ; Kasenyi , Ituri , 1♀ , 5.IV.1935 ; 1♀ , 22.VIII.1935 ; 1♀ , July 1937 , all. H.J. Brédo ( KMMA ) ; 10♀ , Katofio , Katanga , February 1931 , H.J. Brédo ( KMMA ) ; 1♀ , Kibimbi , 3.II.1911 , Bequaert ( KMMA ) ; 1♀ , Kinda , 4.XI.1911 , Bequaert ( Rodhain ) ( KMMA ) ; 1♀ , Kinda Kangé , 26.VIII.1914 , L. Charliers ( KMMA ) ; 1♀ , Kolwezi , Lualaba , 1.II.1953 , L. Gilbert ( KMMA ) ; 1♀ , Kufu-Mwanza , Katanga , May 1927 , A. Bayet ( KMMA ) ; 1♂ , Leopoldville [=Kinshasa]- Kalima , October–November 1929, Van Delft ( KMMA ) ; 1♀ , Mato , Katanga , 8.XII.1925 , C. Seydel ( KMMA ) ; 1♀ , Masomhwe s. Grde Kafwe , Parc Nation- al Upemba , 16.IV.1948 , G.F de Witte ( KMMA ) ; 1♀ , Sandoa , 18.IX.1918 , F.G. Overlaet ( KMMA ) . GHANA , 1♀ , Laura , 18.IX.1930 ( CNC ) . KENYA : 1♀ , Nairobi , Ngang [sic = Ngong ] Forest ( KBIN ) . MALAWI , 2♂ 2♀ , Mulanje Mountain Forest Reserve (lodge); 12–15.XI.2016 , K. Jordaens ( KMMA ) . MOZAMBIQUE , 1♂ 1♀ , Luabo , Lower Zambezi river , June–July 1957, U. Stuckenberg ( CNC ) ; 1♀ , Nova Chupanga , 1928, J. Surcouf ( MNHN ) ; 1♂ , Riclata , Delagoa Bay [= Maputo ], P. Janson ( AMNH ) . NAMIBIA , 1♀ , Otjiwarongo , May 1949 , Koch ( AMNH ) . NI- GER, 1♀ , Dosso , October 2006 , G. Goergen ( IITA ) . NIGERIA , 1♂ , Abuja , January 2004 , G. Goergen ( IITA ) ; 1♂ , Lobetti, W . State , 7.II.1971 , J.T. Medler ( CNC ) . RWANDA , 1♀ , Astrida [= Butare], 28.V.1955 , P. Elsen ( KMMA ) . SAO TOME AND PRINCIPE , São Tomé , 1♂ 1♀ , H. De Saeger & Prince Leopold ( KMMA ) . SOUTH AFRICA , 1♀ , Mposa , Lower Umfolozi distr. , 27.II.1949 , J.C. Bradley & J.H. Leigh ( CNC ) ; 1♀ , Mariepskop National Park , Mpumulanga , 23–24.I.2017 , K. Jordaens ( KMMA ) ; 1♀ , Pretoria , 15.II.1926 , H.K. Munro ( CNC ) . TANZANIA , 1♀ , Bwawa Mbili , Tarangire National Park , 21.III.1995 , Lesio & Liseki ( AMNH ) . TOGO , Dzogbégan (monas- tery), 24–25.I.2016 , G. Goergen 1♂ ( IITA ) ; 1♂ ( KMMA ) ; 1♀ , Kuma-Tokpli , 21–24.I.2016 , G. Goergen ( KMMA ) . UGANDA , 1♂ , Budongo Forest nr Lake Albert , April 1972 , E.B. Bayetagara ( CNC ) ; 1♀ , Entebbe , 1906, M. de Rotschild ( MNHN ) ; 1♂ , Lower Ruwenzori Mts , August 1973 , H. Falke ( CNC ) . ZAMBIA , 1♂ , Fringila , 14.X.2017 , G. Goergen ( IITA ) . ZIMBABWE , 1♀ , Gota Gota Urungwe , 23.IX.1938 , W.L. Williams ( AMNH ) ; 1♀ , Salisbury [= Harare ], January 1901 , F.I. Snow ( AMNH ) . Body size . Body length (n=10): 11.3–15.9 mm . Wing length (n=10): 9.2–12.2 mm . Redescription . MALE ( Fig. 11 ). Head . Eye bare; holoptic, touching for 3–4 times length of ocellar triangle, facets enlarged in dorsal half. Frons ground colour brownish; completely obscured by dense grey pollinosity; dispersed pilosity of medium long pale pile; rugose area shining black-brown, occupying about one-fourth to one-third of entire width and two-thirds of entire height; with shorter and more dispersed pale pile. Face ground colour blackbrown; in upper half with dense greyish pollinosity except below antennae where weakly shining; pilosity of short pale pile, along eye margins longer pile; lower half to third weakly shining with more dispersed and very short pilosity; facial tubercle shining and bare, well developed. Gena dark brown to black-brown, largely shining, dispersed white pollinosity and long pale pilosity only in posterior part. Occiput dorsal third black, with greyish pollinosity; ventrally more densely yellow-white, with dispersed pale pile. Antennal segments brown to black-brown; arista yellow-brown, in basal half with medium long pile equal to width of pedicel. Thorax . Scutum and scutellum black-brown ground colour, scutum with anterior third with dense yellowish pollinosity and medium long pale pilosity; middle with fascia of dark pollinosity and short black pilosity; posterior fifth with dense yellowish pollinosity and short pale pilosity, pollinosity extending laterally to above postalar callus; along lateral margin pale pilosity of anterior and posterior bands extended and largely touching; scutellum brownish pollinosity and very short black pilosity, along posterior margin somewhat longer. Pleural sclerites ground colour black, with weak greying to greyish brown pollinosity, anepisternum more densely yellow-orange pollinose; covered with dispersed pile of long white pile, dorsal part of anepisternum more pilose, anterior anepimeron dorsally with variable degree of black pilosity, near margin with dorsomedial anepimeron; meron, anterior part of katepisternum and anterior anepisternum bare. Legs . Yellow-orange to brown. Fore leg, femur brown, apical margin narrowly paler; with dense short dark pilosity, anteriorly and posteriorly longer; tibia pale in basal two-fifths to half, otherwise brownish; with short black pilosity, except in basal part where pale; tarsal segments orange-brown. Mid leg as in fore leg, except tibia pale for basal three-fifths. Hind leg, femur yellow-orange and with long pale pilosity in basal half, apically black-brown, with long black and more densely pilosity; tibia orange-brown to brown, pale in basal third; dorsally with short to medium long pale pilosity in basal part, black in apical part, ventrally with short to medium-long black pilosity; tarsal segments orange-brown. Wing ( Fig. 51 ). Mainly hyaline, base for short part brownish. Calypters black-brown, with fringe of black pile; lower calypter fringe sometimes more brownish or palish apically. Abdomen ( Fig. 73 ). Mainly yellow and black patterned. Terga 2–4 without distinct bullae but with small medial swelling. Tergum 2 yellow for entire length except posterior fourth to fifth where black; with short to medium long pale pile except in black part where short dark pile. Tergum 3 with posterior black fascia broadening medially, usu- ally reaching anterior margin in the middle, laterally not or narrowly reaching lateral margin, with anterolaterally well defined yellow macula; with short to medium long pilosity throughout, along lateral margins somewhat longer, pale throughout except narrowly along posterior margin where pile are slightly darker. Tergum 4 predominantly brown except with anterolaterally narrowly dark yellow patches; pilosity as in tergum 3 except pile longer. Terga 3 and 4 mainly weakly shining, dark pollinosity limited to isolated areas between medial swelling and anterolateral maculae, posterior margin broadly weakly shining. Sterna pale yellow, with widely dispersed long pale pile. Male genitalia as in Fig. 94 . FEMALE . As male except for the following character states. Eye, facets of equal size; dichoptic. Frons in lower half more orange-brown; with greyish pollinosity, except in dorsal third where brown; covered with short dispersed pale pile, except in dorsal third where predominantly black; rugose area shining brown; occupying onefourth of entire width and equal in height to at most 2 times length of ocellar triangle. Distribution . Benin , Botswana , Burkina Faso , Burundi , Cameroon , Congo (Brazzaville) , Congo (DR), Ghana , Kenya , Malawi , Mozambique , Namibia , Niger , Nigeria , Rwanda , São Tomé and Príncipe , South Africa , Tanzania , Togo , Uganda , Zambia , Zimbabwe . Comments . The type specimen in the NRMS is labeled as ‘lectotypus’ by Kassebeer in 1999 but the lectotype designation does not seem to have been published. Also see under P. natalensis .