Vector competence of sterile male Glossina fuscipes fuscipes for Trypanosoma brucei brucei: implications for the implementation of the sterile insect technique in a sleeping sickness focus in Chad

Table 1 Microscopic observation of the midgut and salivary glands of six G. f. fuscipes for the presence of alive T. b. brucei

Day post-infective meal	Batch no.	Fly no.	Trypanosomes in the midgut	Trypanosomes in the salivary glands
3	1	15	+	ND
5	1	26	+	ND
7	1	29	+	ND
4	2	23	+	ND
31	2	234	+	−
32	2	258	+	−

Batch No.1 received isometamidium while batch No. 2 did not. + = alive trypanosomes and — = no trypanosomes found. ND: not done

ISSN: 1756-3305