Patterns of tsetse abundance and trypanosome infection rates among habitats of surveyed villages in Maasai steppe of northern Tanzania

Table 3 Age structure of trapped and infected tsetse species sampled during the dry and wet season collectively

Species	Wing fray categories, n (%)					Total	Age MWFV		Estimated age (days)
Trapped flies	1	2	3	4	5	6
G. pallidipes	1060 (80)	71 (99)	35 (85)	25 (80)	13 (100)	6 (100)	1210	1.3	Under 11
G. morsitans	142 (11)	0 (0)	3 (7)	4 (12)	0 (0)	0 (0)	149	1.2	Under 11
G. swynnertoni	117 (9)	1 (1)	3 (7)	3 (8)	0 (0)	0 (0)	124	1.0	Under 11
Total	1319	72	41	32	13	6	1483
Infected flies
G. pallidipes	52 (61)	6 (100)	6 (100)	3 (100)	4 (100)	3 (100)	74	1.9	13 days
G. morsitans	14 (15)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)	14	1.0	Under 11
G. swynnertoni	19 (24)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)	19	1.0	Under 11
Total	85	6	6	3	4	3	107

The numbers in brackets present percentage in the wingfrey category while the numbers outside the brackets present the number of tsetse flies in the wing free category. MWFV means mean wing fray value

ISSN: 2049-9957