Triatoma rubrovaria is an insect which is ubiquitous in Uruguay

Uruguay

Uruguay ,officially the Oriental Republic of Uruguay,sometimes the Eastern Republic of Uruguay; ) is a country in the southeastern part of South America. It is home to some 3.5 million people, of whom 1.8 million live in the capital Montevideo and its metropolitan area...

, in neighboring parts of northeastern Argentina

Argentina

Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

, and in the southern states of Paraná and Rio Grande do Sul in Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

. This species of triatomine

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...

 is found mainly among exfoliate rocks known as pedregales. It was earlier reported as T. (triatoma) rubrovaria, 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 inhabiting rock piles, rarely found in human dwellings. This species may be a highly competent vector of Trypanosoma cruzi

Trypanosoma cruzi

Trypanosoma cruzi is a species of parasitic euglenoid trypanosomes. This species causes the trypanosomiasis diseases in humans and animals in America...

, the causative agent 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,...

. In Rio Grande do Sul, data from the 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,...

 Control Program have indicated an increasing of domiciliary and peridomiciliary invasion of T. rubrovaria, where it has become the most frequently triatomine

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...

 species captured in that State since the control of T. infestans

Triatoma infestans

Triatoma infestans, commonly called vinchuca and also known as "barber bug", is a blood-sucking bug and the most important vector of Trypanosoma cruzi which can lead to Chagas disease...

.