Population Density Animals 58 animal 56 article 56 population density 56 Argentina 48 Ecosystem 22 ecosystem 22 Insect Vectors 20 classification 18 female 18 human 18 physiology 18 Female 16 Seasons 16 Triatoma 16 disease carrier 16 male 16 nonhuman 16 Aedes 14 Humans 14 Male 14 disease transmission 14 season 14 Aedes aegypti 12 Chagas disease 12 Population Dynamics 12 Chagas Disease 10 Triatoma infestans 10 comparative study 10