My very first official ROM blog is
now online, but I have one problem with it -- we have to keep it short. Under 500 words short. And anyone who has been reading me for any length of time knows that when I geek out over something, I really geek out over it (I sense a kindred spirit in
Bill Nye here. So here is what
didn't make it into the ROM blog.
In the Keenan Family Gallery of Hands-on Biodiversity Gallery, we pride ourselves on being one of the few places in the ROM where you can get up close and personal with (and sometimes even touch) live animals. There's no better way to learn about the living things that share our world with us than by watching them do their thing, and nobody does it better than our bees. Which is why the
death of the colony over the winter came as such a blow. Now, contrary to the way the papers made it sound, this isn't unprecendented. It's hard to survive the winter in Canada, especially for small colonies;
overwintering deaths are not uncommon, and in feral colonies, that number is even higher. Our definitive bee resource,
The Biology of the Honeybee, states that in one Ontario study, only 45% of established colonies successfully overwinters. If the colony is new or small, that number drops even further. So our bees are usually beating the odds; historically, our colony overwintered successfully about three times out of four. Now it's looking like the cause of death was the bees themselves.
Honeybees cluster in the winter. The queen needs to survive in order for the colony to continue, so the workers gather around her to keep her warm. They will shiver to make heat, and take turns on the outside and the inside of the ball so everyone has a chance to warm up again. During this clustering time, the bees survive on the honey stored in the hive. That's why they make it -- it's so concentrated that it doesn't spoil, so it's a great food to store in your hive to see you through the winter. But our bees didn't make enough of it last year. We're not really sure why; my pet theory supported by absolutely NO scientific evidence is that our summers are getting longer and our winters shorter so they're not starting to really store up the honey until too late in the year.
We do feed our bees. In addition to the honey they store, they are given jars of sugar water to supplement their winter stores. But the bees are very dedicated to keeping the queen warm. So dedicated, in fact, that they wouldn't leave the ball around her even to venture as far as the sugar water at the side of the hive, so when the honey ran out, so did the bees.
There might be an extreme bee home makeover in the works (anyone know if Ty Pennington has a bee suit?). But in the meantime, our beekeeper from the University of Guelph, Janine McGowan, has visited the gallery, and I'm pleased to announce that at long last, the bees are back!
The new colony hard at workOne thing most people think when they visit the gallery is "oh, how can they survive trapped in there?" But they're not actually trapped; the hive is connected to the window by a tunnel system that the bees make free use of. The gardens around the University of Toronto are frequently visited by the ROM's bees.
Her Royal Majesty, Queen Beatrix XXIIIHere is the (now departed) new queen of the hive. The dot isn't natural -- beekeepers paint those on to make queens more visible and track their ages. Our painted queens will only be in the hive until the colony gets big enough to swarm (that's when the older bees take the old queen to find a new place to live and leave the crowded hive to the younger bees and a new queen), and we can't paint the new queen that will be born in the hive to replace her (opening up a busy hive in the middle of a crowded gallery is not a great idea). Our colony did swarm on June 6, so we're eagerly awaiting the emergence of the new queen. She's going to be tough to spot without a dot, so if you manage it, you can earn yourself the coveted "I found the Queen Bee" sticker!
Baby bees!Here are some of the fruits of the queen's labours. See those white things down inside the cells? Those are bee larvae, or baby bees. When they get big enough, the larvae go into a pupal stage and their sisters cover the pupa with a covering of thick wax. Inside the pupa, the bee changes from a worm-like larva to an adult bee, and when she's fully grown, she chews her way out and gets to work! That yellow substance you can see in some of the cells is bee bread; it's made from pollen and a little honey, and the bees eat it during the summer.
Drone cellMost bees in the hive are the female workers, but during the summer months, the workers get some brothers. Drones are the male bees, and you can actually tell which cells contain which type of bees. Worker pupae are covered with a flat cap of wax, but the cap on a drone cell looks a bit like bubble wrap. You can see a worker sitting on top of a drone cell here. Queen cells look different too, a little bit like a peanut stuck to the comb. There are several all over the hive now; the bees don't just raise one replacement queen, they raise several, and if they hatch together, the young queens will fight and sting each other until only the strongest queen survives. There can be only one!!!
Worker with loaded pollen basketsIt's not an easy life for a worker. While a queen can live 3-5 years, a worker lives a few months in the winter, and only a few weeks in the summer. From the moment she emerges from her pupa, she starts working. First, she helps to clean the hive. Then she moves on to nursing her larval sisters, then to guarding the hive, and finally to foraging for food. This worker with the yellow blobs on her legs has returned from one of the gardens around the ROM; those yellow blobs are baskets full of pollen destined to be turned into bee bread.
But though it is a hard life, it's definitely an important one. Without bees, we wouldn't just be missing honey, we'd be missing most of the food we eat. Fruits like apples, oranges, lemons and limes; yummy snacks like blueberries, cherries, and cranberries; veggies like cucumbers and carrots; even avocados and almonds are all pollinated by bees. Without these productive little insects, we'd be in serious trouble.
So come out to Hands-on Biodiversity and show your appreciation for these industrious little insects!