Table 3.

Summary of entomological survey and environmental characterisation. Evidence of cattle visiting the site (yes or no); presence of algae (0: absent, 1: < 25% coverage, 2: 25–50%, 3: 50–75%, 4: > 75%); presence of aquatic vegetation (0: absent, 1: < 25% coverage, 2: 25–50%, 3: 50–75%, 4: > 75%); degree of shading (0: no shade, 1: < 25% coverage, 2: 25–50%, 3: 50–75%, 4: > 75%); predator prevalence (0: no predators, 1: low, 2: moderate, 3: abundant); counts of: early instar stage anopheline larvae, late stage anopheline larvae, mosquito pupae, culicine larvae, number of dips taken

Name	Cattle	Algae	Aq. Veg.	Turb.	Shade	Pred.	An. early	An. late	Pupae	Culicine	Dips
Cheju_A	Y	1	4	1	0	2	0	0	0	0	40
Cheju_B	Y	0	2	3	1	2	3	2	0	1	40
Maboga	Y	2	4	3	0	3	0	0	0	83	20
Mwera_A	N	0	4	0	1	0	106	4	0	1	40
Mwera_B	N	0	4	0	1	1	103	16	1	15	40
Mwera_C	N	0	4	0	1	0	0	4	0	0	20
Stone Town	N	1	3	2	2	3	0	0	0	0	20

Abbreviations: Aq. veg. aquatic vegetation, Turb. tubidity, Pred. predators, An. early, early instar stage anopheline larvae, An late late instar stage anopheline larvae