I’m no honeypot keeper, but I have some recommendations based on what you said. For one, I know that most people keep Myrmecocystus species in THA mini hearths if it is an small colony, and they work exceptionally well for colonies from what I’ve seen (THA recommends it for small honeypot colonies themselves). For larger colonies, I would suggest XL mini hearth but since they start growing fast later on, many keepers recommend (or at least from I’ve seen) the Fortress formicarium. The benefits of the listed ones is that they have good ceilings for the repletes to hang on. I wouldn’t recommend flat formicaria unless they have some sort of grip but honestly, the ones with ceiling like the THA hearth series formicarium and the THA fortress formicarium series are the best for Myrmecocystus (this all really depends on the size of a colony and by full size I believe you mean about 50-100+ workers cause then fortress formicarium would work great). As of feeding they love sugar water and fruit flies as well as mealworms. As for heating, it is recommended to be at least 80 degrees Fahrenheit which is about 30 degrees Celsius, or above. The brood won’t be able to develop properly if kept at a lower temperature (it should be high since they are obviously a desert species).
Keeping:
3x - S. molesta (colonies and single queen) 1x - C. nearcticus (founding but no eggs) New!
1x - C. chromaiodes (colony) 1x - C. subbarbatus (founding)
1x - F. subsericea (founding) 1x - T. sessile (mega colony)
3x - P. imparis (colonies)
2x - L. neoniger (founding)
Check out my C. nearcticus journal here: https://www.formicul...cticus-journal/
Check out my C. chromaiodes journal here: https://www.formicul...aiodes-journal/