Solitary Bees


Solitary bees comprise the majority of bees, yet they are unsung heroes of our pollinator world, generally having a far lower profile than either honey or bumblebees.

Yet they are outstanding pollinators, and only during recent years, are they beginning to get the recognition they deserve.

Many species can easily be mistaken for wasps, hover flies, or even honey bees.


Where Do Solitary Bees Live?

Unlike honey bees, where nest building and maintaining, as well as rearing of young is a task shared by the whole colony, this is not the case with most species of solitary bee.

Solitary Nesting

With some species, a nest is built by a single female, and with no other nests nearby. 


Aggregations

Despite their name, some species do live in a type of social group, with bees building separate nests close to each other and giving the appearance of a sort of colony.

Communal

Some species may even live communally, in that a nest entrance is shared.  However, female bees build individual nest cells for laying their eggs. 

Semi-social

Some, for example, species of sweat bees found in the USA and Canada (Lasioglossum) may use the same nest, and also co-operate to provide for the offspring.

The largest bee in the world is believed to be a Solitary bee – Megachile Pluto, a type of leafcutter bee. However, some are very tiny at just a few millimetres long and at first glance may appear to be merely little black flies!  Meanwhile, there are flies that look rather like bees, such as the Bee Fly.


Providing A Home For Solitary Bees

For species which nest in wood and in crevices, it is possible to purchase some very nice, ready-made, sturdy insect and mason bee houses like this one below, which is available from Amazon US and Amazon UK.

Installing a bee house such as this will enable you to observe the bees at quite close quarters, whilst also benefitting from the pollination services they provide.

You could also take a look at mine - it has been very successful, and by clicking on the link below, you can watch them entering and leaving, as well as mating.

If you are going to purchase one (they make nice, attractive gifts too), ensure it is of durable quality, and won't blow around in the wind.  You also need to ensure the tubes are closed off at one end, and are the correct diameter.

Alternatively, you could make your own with hollow canes.


Stings
From Solitary Bees

Note that these types of bees rarely sting, and are actually rather docile. Only females have the ability to sting, whereas males are unable to do so. However, males of some of these species can appear to be quite defensive – carpenter bee males, for example, can be rather attracted to humans who are wafting their arms around! Despite this, the bee is unable to sting and poses no threat!

Here is information about some of the most common solitary bee species:



Leafcutter Bees
As their name suggests, these bees are able to cut pieces of leaf (or sometimes flower petals). They use this to build the cells in their nests.


Mason Bees
Mason bees, such as the Orchard Mason bee, are increasingly used in commercial pollination. Mason bees gather mud with which to build their nests.


Carpenter Bees
This group of bees, not surprisingly, make their nests in wood - usually rotten and unpainted soft woods. They can sometimes be mistaken for bumblebees.


Mining Bees
Mining bees may excavate tunnels in the ground where they make their nests.

Chocolate Mining Bee
Includes lovely pictures of a male and female mining bee, mating.


The Wool Carder Bee
This amazing bee collects hairs from plants - and it looks a little bit like a wasp!


The Hairy-Footed Flower Bee
I call it 'the hobbit of the bee world'!


Ashy Mining Bee
A real beauty!


Nomad Bee
This bee is very easily mistaken for a wasp.




Other subjects of interest:


Bee Pollination
Here you’ll find links to different information topics around the subject of pollination and bees.


About Bees
Lots of information about general bee topics, for example, comparisons of lifecycle between different kinds of bees etc.




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1 alfalfa leafcutter bee can do the pollination job of 20 honey bees!

Source: US Agricultural Research Service

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