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Triatoma protracta

Key characteristics:

Three subspecies (protracta, navajoensis, woodi) have been reported from the U.S. They are polymorphic in appearance. T. protracta woodi is featured in the images here.

  1. Overall dark brown to black
  2. Mouthparts with short hairs; becoming longer at tip
  3. Pronotum uniformly light brown to black
  4. Tip of scutellum short, broad
  5. Legs short, stout
Map showing the estimated U.S. distribution of Triatoma protracta. The states highlighted are CA, NV, UT, AZ, CO, NM, and TX.

Estimated U.S. Distribution

Photo of Triatoma protracta next to a scale. The scale says it is 13.0-23.0mm (0.5-0.9in) long.  Close up of the thorax of Triatoma protracta. The photo highlights points 3 and 4 from the list of key characteristics.
Close up of the head of Triatoma protracta. The photo highlights point 2 from the list of key characteristics.
  • Page last reviewed: July 19, 2013
  • Page last updated: November 2, 2010 The U.S. Government's Official Web PortalDepartment of Health and Human Services
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