Bug FAQSouthern Meat Ant
Iridomyrmex purpureus · Order: Hymenoptera · Family: Formicidae
Southern meat ants are medium to large ants, 6 to 12 mm long, with queens up to about 13 mm. They have a dark-bluish body, a red head, and iridescent workers that can show green, blue, or purple hues. These ants build large, oval mounds with many entrances in warm open areas and can form networks of satellite nests linked by trails.
Source: Wikipedia
How to recognize it
The ant’s body is dark-bluish with a red head, and workers may appear green, blue, or purple depending on the part of the body.
Source: Wikipedia
Size
Workers measure between 6 and 12 mm, while queens are the largest at about 12.7 mm.
Source: Wikipedia
Is it a pest in the house?
They can become pests in urban areas and are hard to eradicate, though they also help disperse many plant seeds and support other insects.
Source: Wikipedia
Does it bite or sting?
Various predators such as echidnas, birds, blind snakes, and spiders eat these ants.
Source: Wikipedia
How to get rid of it
When a nest is removed, nearby satellite nests may appear and can detach from the original colony. A colony is considered mature when it has at least 12 entrance holes; fewer indicates an immature nest.
Source: Wikipedia
Where it lives
They live in open, warm sites, building large oval mounds that have many entrance holes. Colonies can spread to multiple satellite nests that are connected by defined trails.
Source: Wikipedia
What it eats
They forage on trees for honeydew and nectar, capture insects, and collect animal remains, often forming symbiotic relationships with other insects.
Source: Wikipedia
Life cycle
A queen’s ovaries mature in about four weeks, after which she lays roughly 20 eggs that develop into larvae within a month. From egg to adult takes one to two months.
Source: Wikipedia
When you see it
Nuptial flights occur in spring, around October. The species is active during the day, especially when it is warm.
Source: Wikipedia
Where it comes from
Southern meat ants are native to Australia and are found in almost every state and territory except Tasmania.
Source: Wikipedia
Where it is found in the US
Recorded in 1 of 51 states and DC. Most records: Virginia.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
More photos
Questions people ask
How can I get rid of southern meat ants?
Removing a nest often leads to nearby satellite nests emerging, so you may need to treat those as well, and a mature nest is identified by having at least 12 entrance holes.
Source: Wikipedia
When are meat ant nuptial flights?
They usually take place in spring, around October.
Source: Wikipedia
Same family (Formicidae)
Eastern Black Carpenter AntCamponotus pennsylvanicusCan damage your home
Red Imported Fire AntSolenopsis invictaCan sting
American Winter AntPrenolepis imparis
Argentine AntLinepithema humileNuisance, not dangerous
Immigrant Pavement AntTetramorium immigransCan sting
Odorous House AntTapinoma sessileCan damage your homeSources
- Wikipedia: https://en.wikipedia.org/wiki/Meat_ant
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-22 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-22.