Table 1.

Geographic origin and sample size of tsetse species collected for this study

Geographic origin	Glossina spp.
	G. pallidipes	G. brevipalpis d	G. fuscipleuris d	G. fuscipes d
	sample size (% infected with trypanosomes)
Shimba Hills, Kenya	58 (32.8%)a	12 (25%)	0	0
Trans Mara, Kenya	0	0	12 (25%)	0
Lake Victoria, Western Kenya	0	0	0	4 (0%)
Nguruman Escarpment, Kenya	62 (14.5%)b	0	0	0
Murchison Falls, Uganda	45 (2%)c	0	0	0

^aCulture dependent identification of gut bacteria, n = 11; culture independent identification of gut bacteria, n = 15; RT-qPCR based quantification of symbiotic bacteria, n = 32

^bCulture independent identification of gut bacteria, n = 52; RT-qPCR based quantification of symbiotic bacteria, n = 10

^cCulture independent identification of gut bacteria, n = 45

^dAll G. brevipalpis, G. fuscipleuris and G. fuscipes flies were used exclusively for culture dependent identification of gut bacteria