Teresa Schuessler

Content by Teresa Schuessler

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“It is most disgusting to feel soft, wingless insects, about an inch long, crawling over one’s body. Before sucking, they are quite thin, but afterwards become round and bloated with blood,” wrote Charles Darwin, on March 26, 1835, after spending an unpleasant night in an Argentine village. Some believe Darwin’s insect attackers were reduviid bugs, or “kissing bugs”, so called after their penchant for biting near the eyes or mouth. Reduviid bugs carry a single-celled parasite called Trypanosoma cruzi (T.