Triatoma infestans

Triatoma infestans, commonly called winchuka[1] or vinchuca[2] 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; in all these countries T. infestans is almost an exclusively domestic species, except in Bolivia where sylvatic forms have been recorded in rock piles in association with wild guinea pigs. This region has joined the control intervention called Southern Cone Initiative managed by the PAHO.

Not to be confused with Triatoma protracta.

Triatoma infestans
Adult of Triatoma infestans
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hemiptera
Family: Reduviidae
Genus: Triatoma
Species:
T. infestans
Binomial name
Triatoma infestans
Klug, 1834
Synonyms

Triatoma infestans melanosoma Martínez, Olmedo & Carcavallo, 1987

Triatoma infestans nymph — dorsal view
Triatoma infestans 1st instar nymph feeding on a human host

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.[3]

See also

References
  1. Teofilo Laime Ajacopa, Diccionario Bilingüe Iskay simipi yuyayk'ancha, La Paz, 2007 (Quechua-Spanish dictionary)
  2. "Uruguay recibió distinción por los 20 años en que ha mantenido interrumpida la transmisión domiciliaria de la enfermedad de Chagas". Organización Panamericana de la Salud.
  3. Keynes 2001, p. 315


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