Figure 1

Changes in the distribution of Rhodnius prolixus in Mesoamerica. a - 1915-1953, first encounter in El Salvador and initial spread NW into Guatemala and Mexico, and SE into Nicaragua and Costa Rica; b - 1954-1979, further spread into Honduras, but elimination from Costa Rica; c - 1980-1996, limited reports due to political unrest; d - 1997-2010, extended surveys following launch of IPCA initiative, accompanied by IRS campaigns in Guatemala, Honduras, El Salvador and Nicaragua; e - 2010, the last four foci remaining in Honduras. Since June 2010, there have been no further reports of R. prolixus in Mesoamerica.