When drones rise swarms follow

Swarming begins long before the beekeeper notices queen cells.

When I look back now, i realise that the bees had been warning us for weeks already.

During our first full inspections early in the spring, the colonies were absolutely booming  heavy brood nests, healthy winter survivors and something else that immediately caught my attention: beautiful arches of drone brood appearing low on the brood frames.

That is always one of the first whispers of spring reproduction beginning.

And there is something fascinating about where bees place those early drones.

In the earlier stages of colony buildup, I often notice drone brood concentrated at the lower part of the brood area. This makes biological sense. If sudden cold weather returns, the colony can sacrifice the lower peripheral brood more easily while protecting the worker brood higher up in the cluster where warmth is more stable.

Later in the season, once temperatures settle and colonies become stronger, I usually find drone brood much higher on the frames, often arching above the worker brood area instead.

The bees think ahead long before we do.

What made this observation even more interesting was that during that first inspection almost nothing significant was blooming yet in our area. Nature still looked asleep. And yet the colonies were already expanding rapidly.

That early brood rearing was only possible because of the incredible winter bees, those physiologically unique long-lived workers capable of producing brood food and royal jelly even during periods with minimal incoming pollen.

People often underestimate winter bees. In reality they are one of the greatest miracles of colony survival biology.

Then, almost suddenly, nature exploded awake.

The hills around us turned white with wild crabapple blossoms and within days the colonies transformed. The extra space we had provided was filled rapidly with nectar, pollen and new brood. The atmosphere inside the hives changed completely.

And then came the queen cups.

At first they were empty , little wax cups decorating the edges of brood frames like quiet promises of what was coming next. The bees themselves were incredibly calm and gentle during inspections, something I often notice during strong natural flows when resources are abundant and the colony feels secure.

But beneath that calmness, reproduction was already accelerating hard.

Our local subspecies, Apis mellifera macedonica, is naturally very prone to swarming. And honestly, this makes complete historical sense. For hundreds of years bees in this region were traditionally kept in small baskets and primitive hives. Every spring local beekeepers expected swarms. Catching them from trees was part of how apiaries expanded generation after generation.

Swarming was not considered failure.

It was renewal.

Now, what I am about to say is mostly empirical observation from my own beekeeping over the years. Different honey bee subspecies behave differently and local climates change timing enormously. But biologically, some principles remain remarkably consistent almost everywhere.

Swarming does not begin when the beekeeper notices queen cells.

By the time you see charged queen cells, the reproductive process is already well underway.

In reality, I believe swarming often begins nearly a month earlier when colonies start seriously investing in drone production.Because drones are not random decorations inside the hive.They are the colony preparing the reproductive environment necessary for successful queen mating.

A drone requires approximately 24 days to develop from egg to emergence. But even after emerging, he still needs another 10 to 14 days before becoming sexually mature enough to mate successfully.

During that time:

his reproductive organs fully develop,

his flight muscles strengthen,

and he begins participating in drone congregation areas.

Nature times this process beautifully.

Virgin queens do not emerge randomly. Colonies begin preparing drones well in advance so mature flying drones are available precisely when new queens are likely to take mating flights.

And this is why experienced beekeepers often notice an important transition: once mature flying drones begin appearing around the outer nectar frames and entrances, the colony suddenly becomes much more serious about queen production.

The previously empty queen cups become charged with eggs and royal jelly.

And within days those cups transform into long elegant queen cells containing fat, floating queen larvae surrounded by enormous amounts of royal jelly.

At that point, the decision has already been made.

The colony is preparing to divide itself.

One thing I have consistently observed in my own apiaries is that most colonies tend to swarm only shortly before virgin queens emerge. Very often, immediately after a swarm departs, I inspect the original colony and find multiple virgins already running across the combs while additional queens are still sealed inside cells waiting to emerge.

Sometimes I use those extra queen cells for splits or emergency queenless colonies elsewhere in the apiary.

And interestingly, virgin queens are often accepted remarkably easily compared to older laying queens.

In my own experience, probably around 90% of colonies follow this timing pattern.

But not all.

Some colonies leave much earlier  immediately after the first queen cells are sealed.

And honestly, this is one of the things I love most about bees: once you stop fighting every natural impulse and begin understanding the timing behind their behaviour, management decisions become calmer, simpler and far more intuitive.

So remember:

Swarming rarely begins when you finally notice queen cells.

By then, the colony made its decision weeks ago.

It usually begins with the drones.

— Evangelia Mavridis