Table 1.

Description of areas around transects where mosquitoes were collected including number and type of host present

Transect	Description	Approximate no. of hosts
1	Evening holding pen for cattle for the village (used from 18:00 h to 06:00 h), one small uninhabited house next to the pen was used to hold tools and supplies for cattle farmers	Cows (n = 150)
2	End of cattle pen (as described above), small pig holding and empty cattle shed. Edge of village is approximately 30 m away with empty newly built houses; first house with inhabitants (T3) 50 m away	Cows (n = 150); pigs (n = 5)
3	First cluster of 4 small households on periphery of village c.50 m from cattle pen. A small holding of chickens and goats as well as pet dogs which roam the area freely	Humans (n = approx. > 20); chickens (n = 7); dogs (n = 3); goats (n = 4)
4	Complex of 5 houses, 3 guinea fowl and 2 cats present, guinea fowl nested in nearby outbuilding, cats roamed freely	Humans (n = approx. > 30); guinea fowl (n = 3); cats (n = 2)
5	Complex of 8 houses, no fixed animal housing	Humans (n = approx. > 45)
6	Dogo village, and the largest density of households; one small chicken coop but no other animal holdings, no dogs or cats seen	Humans (n = approx. > 85); chickens (n = 3)