5696 1 (0 male(s), 1 female(s), 0 unsexed) Trirhithrum nigerrimum (Bezzi) N/A / (Unknown) (None) Niger F: no host data, fly ID confirmed or considered reliable Niamey [Centre Aghrymet not found] N/A UWN: Universiteit Wageningen, The Netherlands from 28-8-1988 to 1-9-1988 piege malaise-mil 2°7'0" E / 13°31'0.01" N N/A Jongema, Y.