Also known from Brazil, French Guyana, and Surinam (Willemse 1985).
References
HORVÁTH, G. 1909. Species generis Reduviidarum Sirthenea Spin. - Annls hist.-nat. Mus. natn. hung. 7: 356-368.
WILLEMSE, L. 1985. A taxonomic revision of the New world species of Sirthenea (Heteroptera: Reduviidae: Peiratinae). Zoologische Verhandelinghen 215: 1-67.