Figure 1

(A) Overview of the locality La Coca showing the two sites, i.e. Segundo Potrero and Negrines, sampled during the two-year follow-up ecological study where the resistant (R) La Coca population and the susceptible (S) Negrines population of Pseudosuccinea columella occurred. (B) Localities from western Cuba where the four populations of resistant (1: La Palma, 2: La Coca) and susceptible (2: Negrines within La Coca locality, 3: Aurora) P. columella used in the life table experiments were collected from.