Bug FAQVista Big-headed Ant
Pheidole vistana · Order: Hymenoptera · Family: Formicidae
The Vista Big-headed Ant is a species of ant with an enlarged head. It lives in the western US and north-western Mexico, where its nests are often surrounded by rings of sand. The ants are mainly active at night, sometimes foraging on overcast days, and they feed on other insects, working together to bring prey back to the nest.
Source: Wikipedia
How to recognize it
Pheidole vistana is a big-headed ant species.
Source: Wikipedia
Where it lives
It is primarily nocturnal and may forage on overcast days.
Source: Wikipedia
What it eats
Its diet consists of insects, and workers cooperate to transport prey into the nest.
Source: Wikipedia
When you see it
The species is primarily nocturnal and may rarely forage on overcast days.
Source: Wikipedia
Where it is found in the US
Recorded in 3 of 51 states and DC. Most records: California, Arizona, Nevada.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in United States. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
What does the Vista Big-headed Ant eat?
It feeds on insects, and many workers work together to carry the prey back to the nest.
Source: Wikipedia
When are Vista Big-headed Ants active?
They are mainly active at night and may forage on overcast days.
Source: Wikipedia
Same family (Formicidae)
Eastern Black Carpenter AntCamponotus pennsylvanicusCan bite
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/Pheidole_vistana
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-26 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-26.