Table 1.

Plasmodium falciparum sporozoite rates (%) by species in selected dryland areas, Kenya.

	Species	Kerio Valley	Rabai	Nguruman	Total
An. funestus group	An. longipalpis C	5.2% (19/362)	0% (0/8)	0% (0/1)	5.1% (19/371)
	An. funestus s.s.	5% (1/20)	0% (0/2)	100% (1/1)	8.7% (2/23)
	An. rivulorum	0% (0/4)	5.3% (1/19)	19.5% (8/41)	14.1% (9/64)
	Unamplified	12% (11/92)	0% (0/43)	4.3% (2/46)	7.2% (13/181)
An. gambiae s.l.	An. gambiae.	20% (1/5)	0%	11.1% (1/9)	14.3% (2/14)
	An. arabiensis	2.4% (1/41)	0%	0% (0/11)	1.9% (1/52)
	Total	6.3% (33/524)	1.4% (1/72)	11% (12/109)	6.5% (46/705)

Number in parenthesis indicates proportion of the total that tested positive for each species.