Triatoma nigromaculata is a sylvatic

Sylvatic

Sylvatic is a scientific term referring to diseases or pathogens affecting only wild animals. In the context of animal research, its opposite is domestic, which refers to pets, farm animals or other animals which do not dwell in the wild.*Examples: sylvatic rabies; sylvatic and domestic bacterial...

 species of insect usually found in hollow trees, in vertebrate nests on trees and occasionally in human dwellings. It usually lives in relatively humid forests at high altitudes on mountain regions and foot hills (300 to 1700 m above sea level). As all members of the subfamily Triatominae

Triatominae

The members of Triatominae , a subfamily of Reduviidae, are also known as conenose bugs, kissing bugs, assassin bugs or triatomines. Most of the 130 or more species of this subfamily are haematophagous, i.e. feed on vertebrate blood; a very few species feed on other invertebrates...

, T. nigromaculata is a blood-sucking bug and a potential vector of Chagas disease

Chagas disease

Chagas disease is a tropical parasitic disease caused by the flagellate protozoan Trypanosoma cruzi. T. cruzi is commonly transmitted to humans and other mammals by an insect vector, the blood-sucking insects of the subfamily Triatominae most commonly species belonging to the Triatoma, Rhodnius,...

. This species is distributed mainly in Venezuela (Aragua, Barinas, Bolívar, Cojedes, Delta Amacuro, Distrito Capital, Lara, Mérida, Monagas,Portuguesa, Sucre and Yaracuy), but some specimens have also been found in Perú and Colombia (Cauca).