Atherigona (Atherigona) secrecauda Séguy, 1938

Deeming, John C. & Kirk-Spriggs, Ashley H., 2024, A contribution to the knowledge of Namibian Atherigona Rondani (Diptera: Muscidae), with the descriptions of four new species and two new subspecies, Zootaxa 5536 (4), pp. 501-535 : 525

Atherigona (Atherigona) secrecauda Séguy, 1938

Atherigona secrecauda Séguy, 1938: 372 ; Deeming 1971: 155, figs 39–41; Deeming 1979: 38, figs 16–18; Deeming 1981: 104, figs 14, 15; Deeming & Overman 1987: 118; Dike 2003: 221 (distribution); Muller 2015: 897, fig. 50; Muller & Mostovski 2018: 352, fig. 22.

Material examined: Vibrissa and frontal vitta yellow: 11♂, 6♀, West Caprivi Park, Kwando River, Susuwe , 17°45'37''S, 23°20'55''E, 28.ix–02.x.1998, A .H. Kirk-Spriggs, Malaise trap in dry woodland; 1♂, 3♀, Rundu District, Katara: Okavango River, 17°48'56''S, 18°53'38''E, 20–23.i.1998, [ A.H.] Kirk-Spriggs & [E.] Marais , Malaise trap ; 1♂, Katima Mulilo District, Salambala pan, 17°50'00''S, 24°35'58''E, 01–04.iii.2001, A .H. Kirk-Spriggs, Malaise trap; 1♂, Opuwa District, Ekuju village: Kunene River, 17°19'30''S, 13°48'56''E, 11–12.x.1999, [ A.H.] Kirk-Spriggs, [T.] Pape & [W.] Hauwanga , Malaise traps, riverine forest (all NMNW). Vibrissa and frontal vitta black : 2♂, Rundu District, Katara: Okavango River, 17°48'56''S, 18°53'38''E, 20–23.i.1998, [ A.H.] Kirk-Spriggs & [E.] Marais , Malaise trap ; 1♂, Opuwa District, Ekuju village: Kunene River, 17°19'30''S, 13°48'56''E, 11–12.x.1999, [ A.H.] Kirk-Spriggs, [T.] Pape & [W.] Hauwanga , Malaise traps, riverine forest ; 1♂, West Caprivi Park, Kwando River, Susuwe , 17°45'37''S, 23°20'55''E, 28.ix–02.x.1998, A . H. Kirk-Spriggs, Malaise trap in dry woodland (all NMNW). Vibrissa black and frontal vitta yellow : 1♂, West Caprivi Park, Kwando River, Susuwe , 17°45'37''S, 23°20'55''E, 28.ix–02.x.1998, A .H. Kirk-Spriggs, Malaise trap in dry woodland; 2♂, Rundu District, Katara : Okavango River, 17°48'56''S, 18°53'38''E, 20–23.i.1998, [ A.H.] Kirk-Spriggs & [E.] Marais, Malaise trap [1♂ with frons yellow anteriorly and black posteriorly] (all NMNW) .

Remarks: This species has two forms, being one with the frontal vitta yellow and one with this black, but one of the males from Katara (immediately cited above), has the frontal vitta infuscate and yellow in the anterior 1 / 3, while the other male specimen has a weak infuscation only bordering the ocellar triangle.

Distribution: (Afrotropical): Burkina Faso, Burundi, Cameroon, Democratic Republic of Congo, Ethiopia, Kenya, Mali, Mozambique, Namibia *, Nigeria, Republic of Congo, Rwanda, Sierra Leone, South Africa, Tanzania, Uganda and Zimbabwe.

Host-plant: Pigeon grass, Setaria pumila (Poir.) Roem. & Schult. (as synonym S. pallidifusca (Schumach.) Stapf & C.E. Hubb. ) ( Poaceae ).