Winchuka, Vinchuca, Barbeiro, Chipo, Kissing bug, Barber bug
Triatoma infestans, commonly called winchuka or vinchuca in Argentina, Bolivia, Uruguay and Chile, barbeiro in Brazil, chipo in Venezuela and also known as "kissing bug" or "barber bug" in English, is a blood-sucking bug (like virtually all the members of its subfamily Triatominae) and the most important vector of Trypanosoma cruzi which can lead to Chagas disease. It is widespread in the Southern Cone countries of South America. This region has joined the control intervention called Southern Cone Initiative managed by the PAHO.
During the Beagle survey voyage, Charles Darwin noted in his journal for 26 March 1835 having "experienced an attack, & it deserves no less a name, of the Benchuca, the great black bug of the Pampas. It is most disgusting to feel soft wingless insects, about an inch long, crawling over ones body; before sucking they are quite thin, but afterwards round & bloated with blood, & in this state they are easily squashed." Richard Keynes describes this Benchuca as being Triatoma infestans. Darwin is speculated to have died from chronic Chagas disease.
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NocturnalNocturnality is an animal behavior characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal",...
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DiurnalDiurnal animals are active during the daytime, with a period of sleeping or other inactivity at night. The timing of activity by an animal depends ...
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HematophageCa
CarnivoreA carnivore meaning 'meat eater' is an organism that derives its energy and nutrient requirements from a diet consisting mainly or exclusively of a...
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
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OviparousOviparous animals are female animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive...
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PolygynandryPolygynandry is a mating system in which both males and females have multiple mating partners during a breeding season.
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starts withT. infestans has both a wide range of habitats/ecologies and geographic areas it inhabits - the former being the reason for the latter.
In South America T. infestans is almost an exclusively domestic species, especially as a household pest in the Cochabamba Valley in Bolivia and parts of Paraguay and Argentina.
There remain a few freeliving populations in Argentina, Paraguay, and Brazil.
Tends to displace other Triatominae vectors of Chagas including Panstrongylus megistus, T. sordida, T. brasiliensis, and T. pseudomaculata.
Brazil (only widespread from 1955-1964, likely by immigrants from the south to Pernambuco, likely continuing to be spread by internal migration), El Salvador, Venezuela, Peru (anthropic transportation), Argentina (especially as a household pest in some areas), Paraguay (especially as a household pest in some areas).
