Myrmicinae
Beginner
Messor barbarus
Red harvester ant
A spectacular, highly polymorphic harvester ant famous for its dramatic size variation between minor and major workers, and its seed-milling behaviour. A favourite for its visual appeal.
Origin
Mediterranean, North Africa, Iberia
Worker size
3–14 mm
Optimal temp
24–30°C
Humidity
40%
Care notes
Needs a granary chamber and a dry outworld. No hibernation required if kept warm year-round.
Diet
Primarily granivorous — a variety of seeds, plus occasional protein such as dead insects.