Table 1.

Prevalence of infestation and mean number of Triatoma infestans per infested site by types of ecotope from October 1993 to November 1997 in Amamá, Argentina

Ecotope	No. of sites inspected	No. of sites positive (%)	Mean number of bugs per infested site	No. of T. infestans
Domicile	485	56 (11.5)	2.8	155
Pig corral	222	17 (7.7)	5.8	98
Wood pile	117	9 (7.7)	2	18
Goat corral	173	8 (4.6)	6.3	50
Kitchen or store room	187	8 (4.3)	11.1	89
Chicken coop	48	6 (12.5)	1.5	36
Mud oven	66	6 (9.1)	9.3	56
Latrine	57	3 (5.3)	2.3	7
Chicken house or nest	67	2 (3.0)	1.5	3
Tree without chickens	126	2 (1.6)	1	2
Orchard fence	31	1 (3.2)	1	1
Cow or horse corral	59	0 (0)	–	0
Tree with chickens	434	0 (0)	–	0
Others*	38	0 (0)	–	0
Total	2,110	118 (5.6)	4.4	515

^*Other structures included sheds with only a roof, corn storage rooms, and rabbit coops.