ANTS HQ / KEEPING GUIDES
What is ant hibernation?
INTRODUCTION
Your ants used to be busy, but now they're spending more time in the nest. They're eating less and their young don't seem to be growing as quickly. Is something wrong? Not necessarily.
Many species naturally slow down for winter. Ant keepers call this hibernation, although you may also hear the term diapause, which refers to a seasonal pause in development.
They still need looking after. Their routine just changes for a while.
IN THE COLONY
Why do ants need awinter rest?
In the wild, winter changes the conditions around a nest. Temperatures fall and food becomes harder to find. Many temperate species reduce their activity and pause some or all of their colony growth during this period.
Temperature is only part of the story. Some ants have strong internal seasonal rhythms, so keeping them warm doesn't necessarily prevent the pause. If a colony is ready to rest, turning up the heat isn't a reliable way to produce more workers.
ESSENTIAL KNOW-HOW
Do all pet ants hibernate?
No. It depends on the species and where it comes from.
Black garden ants, British red ants and European carpenter ants all have seasonal resting periods. European harvester ants also need a winter plan suited to their warmer native climate. You shouldn't assume that the same temperature or length of rest suits all four.
Many tropical species are kept active throughout the year, but “exotic” doesn't automatically mean “no winter rest”. Check the exact species before buying it.
IN THE COLONY
What about thefirst year?
For some suitable young colonies, we usually recommend keeping them active during their first year before planning a winter rest the following year. But this isn't right for every species or every colony.
If your ants are already slowing down naturally, don't try to force them to stay active. This is particularly important for strongly seasonal species such as Camponotus ligniperda. If you're unsure, ask us and we'll look at your colony's age, condition and history.
KEEPING ESSENTIALS
Planning a winter rest
How do you prepare a colony?
Start by checking the recommended resting temperature and duration for your species. Do this before moving the nest somewhere colder.
Choose a location where you can monitor the temperature and protect the colony from frost and sudden changes. An unheated garage or shed may be far colder overnight than it feels during the day. A windowsill can swing between cold nights and direct sun.
Follow a gradual cooling plan suited to the species. While workers are still active, continue offering appropriate food, adjusting portions as their appetite drops. Remove leftovers so they don't spoil.
Water remains essential. Check the test-tube reservoir or nest hydration before the rest begins, and make sure you can maintain it without flooding the colony.
What should you check during their rest?
Keep disturbance low, but continue checking temperature, water and the condition of the nest. Quiet ants still need a secure, hydrated home.
Food requirements depend on how cool they are kept and whether they remain active. Follow the species' guidance rather than assuming every colony should be fed or left without food, in exactly the same way.
When their rest is complete, bring temperatures back up gradually. Offer fresh food as activity returns and give them time to resume their routine. The queen may not start laying immediately.
Is a quiet colony always hibernating?
No. A colony can also become inactive because conditions aren't right. Check water, temperature and recent changes before deciding that winter rest explains everything. Sudden deaths, a dry reservoir or flooding need attention rather than a change of season as an explanation.
Not sure whether your ants are resting or need a little help? Email info@antshq.co.uk with the species, colony size, temperature and a clear photo. We're happy to take a look.
