Pest Resources

Odorous House Ant

Tapinoma sessile

Odorous House Ant

Class: Insecta

Order: Hymenoptera

Family: Formicidae

Size: These ants are about 1/8-inch (3 mm) long.

Color: Dark brown or black. These ants are most easily identified by the coconut or turpentine odor produced when their bodies are crushed. This odor gives this ant its name.

Geographic Range: The odorous house ant is found throughout North America.

Habitat: These ants nest outdoors under items on the ground, within landscape mulch, beneath loose bark on trees, under ground cover, in potted plants, and within piles of items, such as lumber, firewood, or bricks. Nests may readily be established inside homes, in walls, beneath carpeting, and other suitable voids or spaces.

Food: Odorous house ants forage both night and day and eat many types of foods. They eat live and dead insects but are also very attracted to sweet foods. They especially like the honeydew that is produced by aphids and mealybugs. Many colonies of odorous house ants tend or herd aphids and mealybugs to collect the honeydew they excrete.

Biology: Odorous house ants may develop huge colonies containing thousands of workers and numerous queens. This species may be difficult to control and does not feed much on ant baits. The keys to control are to find the colonies and subcolonies and treat them directly. Regular inspections and service are necessary to find and treat new colonies as they move in from neighboring properties.

Environmental Policy

The employees of American Pest Management are committed to improving the quality of life for all of our customers by providing the safest and most effective treatment for the management of pests which pose a threat to their health, property, and food supply. History has shown that neglecting to control pests such as cockroaches, mosquitoes, rodents, and ticks, and the misapplication of pest control products are equally dangerous.

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