Fig. 2

Log-ratio between the number of Triatoma infestans captured by sticky traps (ST) and timed-manual collections (TMC) in relation to the total number of Triatoma infestans caught by both methods per site. Key: solid line, the mean log-ratio; dashed lines, the expected range for 95% of individuals log-ratios; circles, sites negative per TMC; × , sites positive per TMC