Kissing bugs
Kissing bugs are blood-feeding true bugs in the subfamily Triatominae, part of the assassin bug family Reduviidae.
Kissing bugs are blood-feeding true bugs in the subfamily Triatominae, part of the assassin bug family Reduviidae. They are known for biting near the mouth or eyes and for their role as vectors of the parasite *Trypanosoma cruzi*, which causes Chagas disease. These insects are found primarily in the Americas, including parts of the southern United States, Mexico, Central America, and South America.
Taxonomy and naming
Kissing bugs are triatomines, a subfamily within the assassin bugs (Reduviidae) in the order Hemiptera. Common names include conenose bugs, triatomine bugs, and vampire bugs.
Appearance and behavior
They are typically dark brown or black, often with red or orange markings along the edges of the body. They are blood-feeding insects and may bite humans and animals at night.
Chagas disease role
Kissing bugs are best known for transmitting *Trypanosoma cruzi*, the parasite that causes Chagas disease. Transmission usually occurs when infected bug feces contaminate a bite wound, the mouth, or the eyes.
Distribution and significance
Kissing bugs are found mainly in the Americas, with species present in the southern United States, Mexico, Central America, and South America. They are of medical importance because of their role in parasite transmission and because some people react allergically to their bites.
Key facts
- Kissing bugs are a group of blood-feeding insects in the subfamily Triatominae.
- They are called kissing bugs because they often bite people on the face, especially near the mouth or eyes.
- They can carry *Trypanosoma cruzi*, the parasite that causes Chagas disease.
- In the United States, 11 species are reported, and several have been found to harbor *T. cruzi*.
- They are found mainly in the Americas and are native to much of this range.
Kissing bugs are not established as a major Canadian insect group, but they are relevant to Canadian readers through travel medicine, imported cases of Chagas disease, and awareness of the insect in North and Central American contexts.
Frequently asked questions
What are kissing bugs?
Why are they called kissing bugs?
Do kissing bugs transmit disease?
Where are kissing bugs found?
How many kissing bug species are in the United States?
Are kissing bugs dangerous?
References
- University of Maryland Extension — https://extension.umd.edu/resource/kissing-bugsSupports: Classification as Triatominae within Reduviidae; blood-feeding habits; common names.
- Ohio State University Health — https://health.osu.edu/health/virus-and-infection/what-you-need-to-know-about-the-kissing-bugSupports: Lay explanation of the name; physical resemblance to other bugs; handling advice.
- California Department of Public Health — https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/Conenose-Kissing-Bugs.aspxSupports: Blood-sucking behavior; distribution in the Americas; Chagas disease relevance; rare infection in California.
- Centers for Disease Control and Prevention — https://www.cdc.gov/chagas/spreads/index.htmlSupports: How kissing bugs become infected and spread Chagas disease.
- PubMed Central — https://pmc.ncbi.nlm.nih.gov/articles/PMC4264683/Supports: 11 U.S. species; several harbor *Trypanosoma cruzi*; U.S. distribution and medical significance.
- Mayo Clinic — https://www.mayoclinic.org/diseases-conditions/chagas-disease/symptoms-causes/syc-20356212Supports: Connection between triatomine bugs, kissing bugs, and *Trypanosoma cruzi* causing Chagas disease.