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Pest Information

Hawaiian Carpenter Ant

Hawaiian Carpenter Ant

  • Latin Name: Camponotus variegatus
  • Common Name: Hawaiian Carpenter Ant
  • Other Names: N/A

Pest Details

Hawaiian Carpenter Ant
Hawaiian Carpenter Ant
Hawaiian Carpenter Ant

Origin:

Probably native to Southeast Asia, as Hawaii has NO native ant species, but it is one of dozens of ants species now found in the Islands.

Biology:

The usual habitat of a colony of carpenter ants is within wood, often wood buried or partially buried in the soil. They also commonly establish “satellite” colonies that may be in a structure, maintaining contact between the two colonies with the workers who travel to and from over well-defined trails. Generally there is a single queen in the colony but often supplementary queens as well. Colonies typically are around 15,000 workers when mature, but potentially could be over 100,000 workers. Foods are both carbohydrates and protein, with insects a major part of the diet. As they expand their colony they eject “frass”, which is wood chips and other debris such as leftover insect parts. This frass is often seen in structures before the ants are, as they are primarily nocturnal in habit. Carpenter ants are also typically polymorphic, with various sizes of workers in the colony.

Identification:

Adult ants range from 5.5 to 12 mm in length and are the largest ants in Hawaii. They are an overall yellowish-brown color with visible darker rings around the abdomen.

Characteristicts Important to Control:

Finding and treating directly into the nest with a residual insecticide will result in effective kill of the ants there, and a dust insecticide may be most effective. Satellite colonies in structures may be treated directly, or with applications into voids the ants travel through. Bait products seem to be accepted readily as well. Reduction of excessive moisture in the structure and removal of unnecessary wood materials outdoors will reduce the attraction of an area.

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