Bug FAQGhost Ant
Tapinoma melanocephalum · Order: Hymenoptera · Family: Formicidae
Ghost ants are tiny, with workers 1.3 to 2.0 mm long and queens about 2.5 mm (the largest in the colony)【,】. They have a dark head and pale, almost translucent legs and abdomen, making them look even smaller【】. These ants are common pests in the United States, especially in Hawaii and Florida, and are spreading to many other areas【,,】.
Source: Wikipedia
How to recognize it
Workers and queens show a dark brown head with milky-white legs, gaster and antennae【】. Males have a dark head and thorax, while their gaster is light and may have dark spots; their antennae extend past the back of the head【】.
Source: Wikipedia
Size
Worker ants measure between 1.3 and 2.0 mm in length【】. Queens are larger, about 2.5 mm long, with an enlarged mesosoma【】.
Source: Wikipedia
Is it a pest in the house?
Ghost ants are considered a key indoor pest in southern Florida and other southern states【】.
Source: Wikipedia
Does it bite or sting?
Ghost ants do not have a stinger【】.
Source: Wikipedia
Where it lives
Ghost ants are a common indoor pest throughout the United States, especially in Hawaii and Florida, and are expanding their range【,,】. The species has been recorded in 154 geographical areas【】.
Source: Wikipedia
Life cycle
During development they pass through three naked, fusiform larval stages with reduced mouthparts【】.
Source: Wikipedia
Where it comes from
Because they are so widespread, their exact native range is unclear, but they likely originated in African or Oriental tropical regions【】.
Source: Wikipedia
Where it is found in the US
Recorded in 28 of 51 states and DC. Most records: Florida, Texas, Hawaii, Mississippi, New York, Ohio, District of Columbia, Colorado.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: introduced in North America. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
How can I identify a ghost ant?
Look for a tiny ant (1.3 to 2.0 mm) with a dark head and almost translucent legs and abdomen; males have a light gaster with dark spots and long antennae【,】.
Source: Wikipedia
Where are ghost ants found in the United States?
They are most common in Hawaii and Florida but are spreading to many other states across the country【,,】.
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/Tapinoma_melanocephalum
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.