Pharaoh Ants

DESCRIPTION:

Workers ar monomorphic and are about 1/16 inches long. The body is usually pale yellowish to reddish with the abdomen often darker to blackish and unevenly rounded. They do have a stinger. Queens are about 1/8 inches long with or without wings and slightly darker in color that the workers. Males are the same size as the workers, winged, black in color and the antenna are straight instead of being elbowed.

DAMAGE:

External indication of infestation from pharaoh ants is usually indicated when there are is a presence of small openings on the surface of the wood. Here the workers will expel debris which consists of sawdust-like shavings and fragments of insulation and insect body parts. They prefer to a hollow out soften wood that is associated with moisture problems and fungus.

HABITS:

The colonies tend to have a large number of workers ranging from thousands to several hundred-thousands. There are several hundred reproductive females present in such a colony. Winged reproductive ants are produced, there are no flights of swarmers and mating takes place within the nest. New nests can be formed by “budding” with as few as 5 workers, 10 pre-adults and one queen migrating from the original colony. Development time for workers is about 38 days at 80 degrees fahrenheit. Workers live about 9-10 weeks, with about 10% of them foraging at any given time. Queens live 4-12 months and males die about 3-5 weeks after mating.

BIOLOGY:

The colonies tend to have a large number of workers ranging from thousands to several hundred-thousands. There are several hundred reproductive females present in such a colony. Winged reproductive ants are produced, there are no flights of swarmers and mating takes place within the nest. New nests can be formed by “budding” with as few as 5 workers, 10 pre-adults and one queen migrating from the original colony. Development time for workers is about 38 days at 80 degrees fahrenheit. Workers live about 9-10 weeks, with about 10% of them foraging at any given time. Queens live 4-12 months and males die about 3-5 weeks after mating.

SCIENTIFIC NAME:

Monomorium pharaonis