Myrmecocystus kennedyi
Temperature
24–32 °C
Humidity
30–50%
Colony size
1,000–5,000
Queen size
10–13 mm
Worker size
4–10 mm
Diet
Care Guide
Myrmecocystus kennedyi is one of the most visually striking and behaviorally fascinating ants in the hobby, belonging to the group commonly known as honeypot ants. These ants are named for their unique caste of repletes — specialized workers that serve as living storage vessels. When food is abundant, certain workers are gorged with sugary liquid until their abdomens swell to the size of small grapes, often becoming translucent and amber-colored. These living larders hang from the ceiling of the nest, regurgitating stored nourishment during lean times. The colony is comprised of a robust queen measuring 10–13 mm and workers that range from 4–10 mm, exhibiting size variation but no dramatic polymorphism. Colonies can grow to several thousand individuals, creating impressive subterranean networks with dedicated chambers for the repletes.
Care difficulty
Keeping Myrmecocystus kennedyi is an advanced endeavor, best suited for experienced ant keepers. Their specific needs — particularly low humidity and high temperatures — require careful environmental control. The founding process is claustral, meaning the queen seals herself in a chamber and raises her first brood without foraging, relying solely on her fat reserves. However, once workers arrive, the colony is very sensitive to stress and improper conditions. A steady supply of sugar water is essential to encourage the development of repletes, but protein from insects must also be offered regularly to support larval growth. The dry, warm conditions mimic their natural desert habitat, and any prolonged humidity above 50% can lead to mold and health issues.
Housing
A formicarium for Myrmecocystus kennedyi should emphasize excellent ventilation and a dry nest area. The outworld can be kept at ambient room temperature, but the nest itself must be heated to the upper end of the 24–32°C range for optimal activity and replete development. Substrate depth matters — these ants dig deep, intricate tunnels, so a vertical or layered setup works well. Avoid overly moist substrates; a dry sand-clay mix is ideal. Provide a small water source in the outworld (preferably a test tube or water tower) and refill sugar water frequently. The colony will appreciate a dark, quiet nest chamber, as light and vibration easily disturb their brood care and replete filling.
First days after purchase
Upon receiving your colony, transfer them into a pre-warmed, dry formicarium with a test tube setup that includes a small water reservoir and a cotton plug. Place the entire setup in a warm, dim location and resist the urge to peek constantly. Offer a drop of sugar water on the outworld floor and a small insect piece after a few days. Observe from a distance: the first sign of active foraging and replete formation is a wonderful milestone. Minimize all disturbances for at least the first week to allow the colony to settle and begin expanding their new home. Patience is key — once established, these honey pot ants will reward you with one of the most captivating behaviors in the ant world.