--> Identifying the Different Species Carpenter Ants in Pictures



Carpenter ants play crucial roles in the ecosystem, but when they decide to settle in our homes, it becomes essential to recognize them and understand their functioning. This article guides you through the different species of carpenter ants, their distinct appearances, and their roles within the colony, with a little help from photographs to facilitate their identification.



Carpenter Ants, Who Are They?

Carpenter ants are among the largest ants that can be found in our homes in Quebec. They are known for their ability to dig into wood to establish their nest, which can cause damage to the structure of buildings.



Identification of Different Species


Black Carpenter Ant (Camponotus pennsylvanicus)

The most common among the species, this ant is easily recognizable by its shiny black color and significant size.


Red and Black Carpenter Ant (Camponotus chromaiodes)

Less common, this species sports a distinctive red and black color. It plays a similar role in the colony but often prefers the outdoors to the wooden structures of dwellings.


Identification Characteristics

– Size: Varies from 0.25 inch for minor workers to 0.5 inch for major workers and queens.
– Colors: Black, red, yellow, brown, beige, or combinations of these colors.
– Shape: Uniformly rounded head and arc-shaped thorax, connected by a single node.



Understanding Roles in the Colony

The Queen

The queen is the largest ant in the colony. Her main function is to lay eggs to ensure the survival and growth of the colony.


The Workers

The workers vary in size and are responsible for feeding the queen and the larvae, building and maintaining the nest, and foraging for food.


The Parent Colony VS Satellite Colony

– Parent Colonies: Located outdoors, require high humidity for eggs.


– Satellite Colonies: Located inside structures, composed mainly of workers and some reproductive individuals.



Signs of a Carpenter Ant Infestation

Signs include the presence of wood shavings (resulting from their excavation), scratching noises in wooden structures, and direct observation of ants, particularly near food sources or around damaged wooden structures.

Carpenter ants are fascinating for their organization and adaptability. However, it’s important to identify them correctly to take appropriate measures in case of an infestation. We hope this article helps you better understand these unwelcome visitors and make informed decisions to protect your home.





How can I differentiate carpenter ants from other ants?

Carpenter ants are generally larger and can be identified by their nesting behavior in wood.


What is the risk of having carpenter ants in my home?

They can cause structural damage by digging into the wood to establish their nest.


How can I prevent a carpenter ant infestation?

Keep your home dry, eliminate rotten wood, and seal entry points to prevent their intrusion.

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