Assassin bugs, or “kissing bugs,” are blood-feeding insects whose bite can transmit a parasite that causes Chagas disease. They often strike at night, then defecate near the bite, allowing the parasite to enter through the tiny wound or broken skin. Many victims never notice symptoms beyond mild fever, rash, or fatigue, yet the infection can silently damage the heart over years and even prove fatal if untreated.

These insects thrive in warm regions across much of the United States, especially the South, hiding in gardens, woodpiles, porch clutter, and sometimes slipping indoors. Reducing debris outdoors, sealing cracks, and keeping pet bedding clean can lower your risk. If you suspect a bite or unexplained flu-like symptoms after seeing one of these bugs, don’t wait—see a doctor and request testing. Early detection can stop Chagas before it becomes a lifelong, life-threatening burden.