The Animal Parasites of Man by Fantham, Braun, Stephens, and Theobald
3. Dorsal surface of abdomen dark sepia brown;
median paler area on second segment broad,
and more or less quadrate or irregular in
outline; hypopygium of ♂ buff or ochraceous
buff _caliginea_, Austen.
Dorsal surface of abdomen blackish-brown;
median paler area cuneate (i.e., triangular
in outline); hypopygium of ♂ grey _palpalis_, Rob. Desv.
II.
_Glossina morsitans_ GROUP.