Table 1.

Field-based findings related to black fly breeding potential in locations suspected, after desk review, of having the potential of being breeding sites for black flies

Region	District	Presence of rivers possibly supporting breeding	Decision from desk review	Villages where interviews were carried out, n	Villages where vectors were caught in test captures, n	Villages where potential breeding sites were prospected, n	Sites where conditions were favourable for active breeding
Tillaberi	Ayerou	Yes	GT needed	2	0	2	1 site favourablea
	Tillaberi	No	No GT	NC	NC	NC	No
	Oualiam	Yes	GT needed	2	0	0	No
	Bani Bangou	No	No GT	NC	NC	NC	No
	Bankilaré	Yes	GT needed	16	0	11	No
	Filingue	Yes	GT needed	1	0	1	No
Dosso	Dosso	Yes	GT needed	10	0	10	No
	Loga	No	No GT	NC	NC	NC	No
	Tibiri	Yes	GT needed	2	0	2	No
	Doutchi	Yes	GT needed	2	0	2	No
Total				35	0	28	1a

NC: not carried out, as there were no rivers present.

^aAlthough environmental conditions were favourable for supporting black fly breeding, no larvae or flies were found at this location.