Kissing bug identification (Triatoma sanguisuga)


Insect identifier · Indoor insects

How to identify a Kissing bug

Triatoma sanguisuga
· Also called conenose, triatoma, assassin bug, chinche, kissing bug identification, conenose bug

Kissing bug identification photo

Kissing bugs (conenose, Triatoma) are much larger than bed bugs, with a cone-shaped head. Southern U.S. night feeders. Chagas transmission in the U.S. is uncommon but confirm the insect.

Cone head, much larger than a bed bug, southern night feeder, sometimes the face. Bag it, do not crush. Allergic welts happen. U.S. Chagas is uncommon; still call public health if the insect is confirmed. Porch lights and kennels, not only bedrooms.

What does a kissing bug look like?

About 20 mm, cone head, thin legs, orange or pale marks along a dark abdomen. Attracted to lights. Feeds at night, sometimes on the face.

Kissing bug (Triatoma sanguisuga) is About 20 mm, dark with pale edge marks. Colors people notice: black, brown, orange. Field marks: Cone-shaped head; Thin legs, flattened body; Orange or pale markings along a dark abdomen; Feeds at night on exposed skin, sometimes the face. It is found both. If those marks are missing, open Western conenose, Bed bug before you force this name. Search phrases that belong on this page include what a kissing bug looks like and kissing bug identification.

Identification marks

  • Cone-shaped head
  • Thin legs, flattened body
  • Orange or pale markings along a dark abdomen
  • Feeds at night on exposed skin, sometimes the face

Size: About 20 mm, dark with pale edge marks
Colors: black, brown, orange
Where: both

What a typical kissing bug bite looks like

Typical kissing bug bite or sting
A typical pattern. Reactions vary. This is a guide photo, not a diagnosis.

Swollen, itchy or painful welt, sometimes large, on uncovered skin after sleep. If you still have the insect, bag it — do not crush. Contact local public health about testing if ID is confirmed.

People searching “kissing bug bite identification” want the pattern, not a single anonymous bump. A swollen, itchy or painful welt, sometimes quite large. May be on the face or uncovered skin after sleep. Immediate steps on this page: If you still have the insect, do not crush it — bag it for ID; Wash the bite; do not rub feces into it if present; Contact local health department or CDC resources about testing if the bug is confirmed Triatoma; Soothe itch; seek care for severe swelling. This species does bite or sting people. Fever, spreading redness, trouble breathing, or a child with many stings is professional care.

If you were bitten

  1. If you still have the insect, do not crush it — bag it for ID
  2. Wash the bite; do not rub feces into it if present
  3. Contact local health department or CDC resources about testing if the bug is confirmed Triatoma
  4. Soothe itch; seek care for severe swelling

Kissing bug vs Western conenose

Much larger than a bed bug, cone-shaped head, southern night feeder. Bed bugs are apple-seed flat and hide in mattresses. A kissing bug on a porch light is a public-health ID, not a hotel bug.

Range and season

Southern U.S., warm months.

Southern U.S. woodpiles, kennels, and sometimes bedrooms in warm months.

Southern U.S. Related species in the Southwest. Most U.S. bites do not mean Chagas disease, but the insects can carry Trypanosoma cruzi — take ID seriously.

Warm months; attracted to lights

Common questions

Do kissing bugs in the U.S. spread Chagas?

They can carry the parasite, but documented transmission in the U.S. is uncommon. Still, confirm the insect and ask public health — do not panic-Google alone.

Are they bed bugs?

No. Kissing bugs are much larger with a cone head.

Where are they?

Mostly the southern half of the U.S.

Kissing bug vs bed bug?

Kissing bug: large, cone head, outdoor-associated. Bed bug: small, flat, mattress seams.

Related identification pages