Strange Bite? It Could Be From The Kissing Bug

By: Wakulla County Extension Office Email
By: Wakulla County Extension Office Email

Every teenager has endured a warning about associating with someone from a bad family. The discussion usually includes a lot of justification on the part of the parent and rationalization on the part of the parent.

When it comes to the insect world, the rationalization usually wins out. A case in point is the bloodsucking conenose or “kissing bug.”

This native insect, Triatoma sanguisuga, is a member of the Triatoma family, a genus of assassin bug. This insect is commonly called a kissing bug because it targets the soft tissues around the mouth of mammals as a feeding site.

As is being in the assassin bug family is not bad enough for its reputation, this pest’s South American cousin is responsible for inoculating victims with Chagas disease. Chagas disease, a protozoan, fortunately does not occur in these latitudes.

The bloodsucking conenose found in Wakulla County is a brown, winged bug, 3/4 inch long, with the edges of its abdomen alternating in light and dark colors. They have a slender, straight beak with piercing-sucking mouthparts. The antennae are inserted on the side of the head between the eyes and the end of the beak.

They are rarely seen during the day, instead hiding in leaf litter and other debris near their intended host. Birds apparently consider them quite tasty and are easy targets for avian predators.

Kissing bugs primarily feeds at night on the blood of sleeping animals, such as raccoons and opossums which burrow in the vicinity.

The life cycle of the conenose can vary considerably depending on temperature, humidity, and availability of hosts. Females lay one egg at a time, up to five eggs each day.

A total of 200 to 300 eggs can be produced each year by one female. The females scatter the eggs in inconspicuous places out of the view of potential predators. The broad distribution gives the young kissing bugs a better chance of survival.

The eggs are very small, 1.5 mm long, white, and hatch in approximately 13 to 35 days. There are eight nymphal stages before the conenose reaches maturity. The adults can live from six months to three years.

Problems arise when these insects encounter humans. If this creature enters a home or dwelling, its nocturnal habits make humans easy prey.

The bloodsucking conenose will enter into a home by crawling through cracks in the foundation, torn window screens, or other structural flaws or inadequacies. Many times they enter by simply clinging to a domestic pet or to the clothing of an unaware person. Once indoors, they are found in bedding, cracks in the floors and walls, or under furniture.

Most bites from conenose bugs are rarely felt. However, some can be quite painful and infection can occur if the bite wounds are scratched and contaminated.

To learn more about the bloodsucking conenose or “the kissing bug”, contact your UF/IFAS Wakulla Extension Office at 850-926-3931 or at http://wakulla.ifas.ufl.edu/, and leave your comments and questions about the article.


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