Pherbellia (Graphomyzina) costata Verbeke, 1950: 14 .
More complete description in Verbeke, 1962b
(Figs 6, 7)
References to figures: Miller 1995 (head, dorsal; species identification questionable); no other published Figures.
Holotype: ♂, RWANDA, Ruhengeri (sources Kirii), 1800–1825m, 1.x.1934 (Mission G.F. de Witte) (MRAC) (Not seen in IRSNB (Brussels) or MRAC (Tervuren) by Knutson in 1978).
WEST AFRICA: NIGERIA: Zaria, Samaru, gully behind pig farm at IARS 1♀, 2.iii.1972, J.L. Musa (USNM).
Other New Records: ZIMBABWE: Lake Bangweulu, Chiluwi Island, “from grass”, 1♂, 26.xi.1946, M. Steele (NHMUK).
Published records. RWANDA (Verbeke, 1950), ZIMBABWE 1♀, NM, SOUTH AFRICA (Natal) 1♂, NM (Verbeke, 1962b).
Biology. Unknown.