Do Bee Nests Attract Wasps?

A reader contacted me about a bee nest in her roof, and raised a few concerns.  Firstly, do bee nests attract wasps, and was there a risk that wasps would move into the nest? 

In addition, she wondered whether bee nests cause damage.

My response is below.  Had the nest been that of honey bees it would have been different, and I would have advised her to call a beekeeper.  US visitors with a nest of large carpenter bees may be interested in this page

But in this case, I'm confident the lady definitely had a bumble bee nest in her roof.  (It may seem strange, but I must admit, I felt a little envious, because  I wish I had a bumble bee nest in my roof!)



Query

"Hello

Some bees  have moved into my bathroom roof.  Pretty sure they are white tailed bumble bees, and there are a few hundred!  

I wanted to be sure they won't damaged the roof...I am pretty sure they won't, but do wasps move into empty hives?

Also will the queen move on over winter? Please help soothe my worries.  Thank you."



Are wasps attracted to bee nests and will they move into the nest?

My reply:

Firstly, to address the concern about wasps – i.e. are wasps attracted to bee nests and will they move into the nest?



When social wasps are establishing their own colonies and nests, they have a number of important tasks.  They have to:

  • find materials to build a nest - this will be composed of fine scrapings of wood, and will be very different from that of a bumble bee.  Below is a picture of a wasp nest, and you can read more about wasp nests here.

which means worker wasps are busy finding nest material and food for the young (insects and invertebrates such as aphids). 


Aerial wasp nests are made from find scrapings of wood, layered together to form a ball, inside which are hexagonal egg chambers.Aerial wasp nests are made from find scrapings of wood, layered together to form a ball, inside which are hexagonal egg chambers.


  • Secondly, it will be vital for the wasps to gather food to feed their young - this could comprise, for example, young larvae of other insects, or aphids from the nearest infested plant. 

Therefore, worker wasps do not take over the nests of bees.  However, they may try to raid a nest.  This usually involves a wasp or wasps being attracted to the nectar pots, or possibly to kill bees to take back to their own larvae to eat. 


A mature bumble bee colony would probably stand a reasonable chance of defending itself against a few wasps.

Given your bumble bee colony sounds well established, wasps are less likely to be successful in this case, because worker bumble bees would defend the nest and kill the attackers.  However, in the worst case scenario, a lot of wasps could arrive. 



However, I actually think it’s a little early yet for a wasp colony to be established to enable an attack of many wasps, but I can understand that lots of wasps would cause concern if that were to happen.

But how can you deter wasps in the future?

You could try a Waspinator (see below).  Since wasps are territorial, Waspinators work by fooling wasps into thinking a wasp colony is already present.  This helps to deter them from building a nest.

Waspinators can be purchased in a: 
Single pack from Amazon   or 
Set of 3 from Amazon.

Some beekeepers swear by them. 

They can be hung up year after year too.  I suggest you put the hook in place during the day, and hang up the waspinator in the evening, then leave it there.

With regard to concern for the bumble bees themselves…. well, I’m afraid bumble bees have to cope with predators, and we have to hope they will thrive (it sounds like they are doing well).


Anyway, all this is worrying about something that may not even happen.

Will the bumble bee queen move on?

Secondly, to address your concern about the bumble bee queen:


The incumbent queen will die at the end of the season. 

Only new queens survive. 

It is they who mate, hibernate, and establish a new colony the following year.




I recommend you clear away the old bumble bee nest at the end of the year, if you want to ensure you do not attract mice.  Check there are no queens hibernating in the old nest.  



You might also want to block the entrance to the nest, to deter bees if you do not wish to have a nest there in the future – but please ensure no bees are trapped inside.

I hope this helps, and thanks so much for caring about the bees."











You might like these

  • Bee nests

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  • Bee Nest Removal and Bumblebee Nests

    Bee nest removal, about bumblebee nests, advice and information, how to move them, and links to how to create nesting sites

  • Disturbed A Bee Nest? What Should You Do?

    Disturbed A Bee Nest, or want to help a nest that has been damaged? How about a nest in an inconvenient place? Here is some advice about what to do.



Did You Know?

Not all bees can sting!  Many bees (probably most) are fairly docile and harmless!


Read More



There is very rarely a good reason to remove bumble bee nests.  They only last a season.

Read more


3 Ways wasps benefit people and the planet

Click


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