Spatial variation population density 6 Animals 4 Argentina 4 Canis familiaris 4 Cities 4 Ecosystem 4 Female 4 Insect Vectors 4 Leishmaniasis, Visceral 4 Lutzomyia longipalpis 4 Male 4 Population Density 4 Psychodidae 4 Visceral leishmaniasis 4 animal 4 article 4 city 4 classification 4 disease carrier 4 disease transmission 4 ecosystem 4 female 4 male 4 visceral leishmaniasis 4 Atlantic Ocean 2 Atlantic Ocean (Southwest) 2 Intertidal 2 Mussel 2 Recruitment 2