Pachylophus fossulatus Adams, 1905

Deeming, John C., 2018, A revision of the Afrotropical species of Pachylophus Loew (Diptera: Chloropidae) and some related Ovoviviparous genera, Zootaxa 4482 (1), pp. 1-51 : 10-11

Pachylophus fossulatus Adams, 1905

( Plate 15 , Figs 74, 75)

Pachylophus fossulatus Adams, 1905: 195

? Pachylophus septembris Speiser, 1910: 195

Described from Rhodesia and further recorded from Ethiopia, Kenya, Tanzania and Zaire. Sabrosky (1980: 710) cited P. septembris as a possible synonym.

Material: 2♀, GAMBIA: W. Div., Kombo Distr., Lamin Bridge , rice field near Lamin Bolan , tidal waterway, on young rice, 2.ix.1997, D.J. Mann ( OUM & MAFY) ; 1♀, ETHIOPIA: Gonder Prov., Blue Nile at T'is Isat Fwafwate waterfall, 28.iii.1995, (X1032), M. v. Tschirnhaus ( ZSM) ; 6♂ 12♀, KENYA: Kikuyu marsh, 17.iv.1983, K . A. Spencer ; long series of both sexes Kisumu, c. 1000m, rice plot in marshland, 27.x.2004, M.R. Wilson ( NMWC) ; 19♂ 20♀, Nairobi , 9–13.xii.1970, A.E. Stubbs ; 1♂, same data but 7.i.1971 ; 1♂, Kakamega Forest, 18.xii.1970 , A.E. Stubbs ; 1♀, 14–16 km. S. of Nakuru, 15.xii.1970 , A.E. Stubbs; 1♀ , Mombasa, 1–3.i.1971 , A.E. Stubbs; 1♂ 1♀, Kapsebet , 11500 ft., 16.x.1971, K . A. Spencer ; 1♀, UGANDA: Serere, sweeping Kamod Marsh , 19.vii.1934, J. Ford ; 1♀, RUANDA BURUNDI: x.1956, N.L.H. Krauss ; 1♀, TANZANIA: Njombe, 6000–6500 Ft. , 16.x.1957, W.P. (all in NHMUK) ; 1♀, MALAWI: Lake Malombe, Nkungulu , 25.x.1983, A. Freidberg ( TAU) ; 1♀, SOUTH AFRICA: Natal, Ndwedwe District, Montebello Region , 1.x.1961, B. & P. Stuckenberg ( NMP) ; 1♀, Durban , vii.1948, J.C. Faure ; 1♂, ANGOLA: Salazar, I.I. A . A. Farm , 8.iii.1972, BMSAE (both in NHMUK).

In the material from Nairobi the colour of the haltere knob differs from creamy white to deep black. A female from Kikuyu Marsh was dissected and was found to contain a single large egg.

Figures

PLATE 15. Figs 74–77. Pachylophus spp. 74, P. fossulatus Adams, frons; 75, same, habitus; 76, P. gallagheri Deeming, frons; 77, same, habitus.