| dispersion and colonization of triatoma ryckmani (hemiptera: reduviidae) in artificial environments in a semiarid region of a chagas disease endemic area in guatemala. | the colonization capacity and dispersal of sylvatic populations of triatoma ryckmani zeledón and ponce were investigated by means of experimental chicken coops installed within the semiarid region in the department of el progreso, guatemala. in the four artificial habitats a total of 672 t. ryckmani was found as well as two males of t. dimidiata (latreille). triatomine densities were not the same in the four chicken coops. from one chicken coop 53.4% (359) of the triatomines were collected. full ... | 2004 | 15234663 |