Harebell Carpenter Bees

Our native bees come in all shapes and sizes – from the uvuncular bumble bees to the sporty leafcutters and the tricksy nomads. One of my favourites is also one of the most inconspicuous – you may well have seen them around a garden campanula, mistaken them for small flies and thought no further. Whilst I’m not advocating flies as worthy of oversight, the harebell carpenter bee (Chelostoma campanularum) is certainly rewarding if you take the time to look a little closer.

Harebell Carpenter Bee - Chelostoma campanularum

These tiny black bees are just 6-7mm long and black all over. The females have a white scopa – as illustrated in this BWARS profile of the bees – and the males are very similar in size and appearance.

We have a number of campanula species which are native to the UK, including the harebell along with a range of bellflower species which are larger and more akin to the ornamental garden varieties, such as nettle-leaved bellflower. Fortunately, these little harebell carpenters don’t seem too fussy and I’ve watched them on two different ornamental cultivars in our garden over the past few years.

To watch these bees around the flowers, you might be forgiven for wondering what precisely they’re doing – they often look for all the world as though they love the flowers… but don’t know what to do about it. In fact, they are intimately intertwined with the genus – the females will only collect pollen from bellflowers and this blog from Urban Pollinators has some great images of their specialised means of collecting this. They also mate in the flowers and females will wait for males in the flowers, whilst the males will  swarm and circle around on the hunt for females! Males will often shelter in the flowers in dull weather too.

These bees are aerial nesters – this means that they will seek out opportunities such as dry stems and holes in wood to nest in. This makes providing for this species in your garden very straightforward – simply plant some campanulas (the native harebell is a delightful addition to any garden) and provide some bundles of reed or straw at height for them to nest in.

The bee is on the wing from June through to August and has a mostly southerly distribution in the UK but certainly occurs around Grantham in the midlands!

Below is a slow-motion video of the harebell carpenter bees in our garden flying around an ornamental bellflower – but if you want to see some excellent images of the bees at rest, check out Ed Phillips’ blog post here. And if you want the detailed image of males and females, as well as habitat shots, head over to Steven Falk’s flickr albums!

Harebell Carpenter Bee - Chelostoma campanularum

2017 in Wildflowers

Common Whitlow Grass – Erophila verna

This little wildflower is everywhere in the springtime – at only a few centimetres high it is easily overlooked but it is forever offering up tiny bunches of flowers to those who would take note. I especially liked the setting of this photograph – on a grubby pavement in Grantham next to cigarette butts and other litter you find this little thing of beauty just waiting to be noticed.

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Oxlip – Primula elatior

I made a pilgrimage to Hayley Wood in Cambridgeshire this year to see these wildflowers. A relative of the more abundant cowslip, these are an ancient woodland species with a curiously restricted distribution, now found growing wild only in that part of the country where Essex, Cambridge and Suffolk meet.

Oxlip (Primula elatior) in Hayley Wood, Cambridgeshire

Green-winged Orchid – Anacamptis morio

I am lucky now to live just a few miles from Muston Meadows meaning there are ample opportunities to visit this ancient haymeadow – designated a National Nature Reserve. This is one of the green-winged orchids for which the meadow is so famous, set against the grassland in the sunset light in early summer.

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Greater Stitchwort – Stellaria graminea

Treswell Wood in Nottinghamshire is a beautiful place to spend some time exploring, especially when the sun is setting. Amongst the spring flowers, these greater stitchworts are one of my favourite woodland species with their bold white petals and delicate green framework.

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Bee orchid – Ophrys apifera

The return of these flowers each year seems like the return of a smile – their colourful, beaming faces always mean summer is here. This photo was taken among the dunes in Anglesey at the end of May, where these orchids arose from the sands along with the round-leaved wintergreens and dune pansies.

Man Orchid (Orchis anthropophora) and Pasque Flower (Pulsatilla vulgaris)

Barnack Hills and Holes is situated just a mile or two off the A1 – it was formed by quarrying limestone in medieval times and now it is home to a stunning array of flora. At the right time of year, can reward you with two national rarities in a single shot!

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Fly Orchid (Ophrys insectifera)

A visit to Bedford Purleius to see these delicate little fly orchids has become something of an annual tradition for me now. They are so hard to spot at first, but once you get your eye in on the first flower, more and more appear amongst the grasses of the meadow.

Lady’s slipper orchid (Cypripedium calceolus)

This photograph was taken overseas – in the Dolomites – but this is the one flower I was hoping to see most and the one which was most elusive. We spotted a single one, just as my dad was asking ‘what do they look like?’, I said ‘like… that!’ and there it was, nestled amongst the greenery beside us on the path.

Lady's slipper orchid (Cypripedium calceolus) in the Dolomites

Broad-leaved helleborine (Epipactis helleborine)

I watched the plants of the broad-leaved helleborine grow beneath the beeches at Bedford Purleius for several months before arriving one day to find them finally in flower. A new species for me, these orchids are subtle but beautiful, blending with the greenery of the canopy leaves above them.

Great Willowherb (Epilobium hirsutum)

This is a late-summer wildflower blooms in the meadows above Grantham and adds a beautiful swath of colour to the browning grasses around it.

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Black knapweed (Centaurea nigra)

A late-summer return to Muston Meadows saw the black knapweed in full flower amongst the late-summer grasses. The orchids of springtime are almost alone in the meadow, along with cowslips and cuckoo flower, but summer sees a riot of colour and contrast as different species vie for space and light.

Knapweed at sunset at Muston Meadows

Heather

An August walk along Cheddar Gorge as the mist was lifting, leaving droplets on the grasses and flowers. The colours behind the flower are provided by the bracken beginning to brown with the grass still fresh and green.

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Harebell (Campanula rotundifolia)

The soft sky-blue of the harebell set with the thin wiry framework of the stems is one of my favourite flowers to photograph – since finding a colony in the meadow above Grantham, I have watched the flowers persist through the summer and into autumn whilst the colours of the vegetation change behind them.

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Heather

The heather which covers much of the Peak district in late-summer is a spectacular sight – especially at sunset when the light softens and glows golden. Along with the bluebells of spring, I think heather would be a worthy focus for the Japanese concept of hanami – flower viewing – as a national pastime here in the UK!

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Dove’s foot cranesbill – Geranium molle

I was out surveying on the day Storm Ophelia passed over the country and cast the countryside in that strange apocolyptic light. This was one of a number of flower portraits I took that day – I especially liked the contrast of the fresh pink  with the fallen poplar leaves.

2016 in Wildflowers

Every week this year, with just one or two exceptions, I’ve taken part in the excellent #wildflowerhour on twitter where people across the UK share their sightings for the week between 8-9pm each Sunday – an excellent way to draw a weekend to a close.

Many of these photos made an appearance at some point but this is a run-through a few of my favourite wildflower finds or photos from 2016. The absence of orchids can be explained by a whole post all of their own from earlier this week – take a look here!

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Tree flowers are some of the first to make their appearance each year and this set shows a few of these in silhouette against a white February sky. The photo on the left is the male catkins of alder whilst the right two images are the female flowers of two different willow species. Many of these early tree species have both male and female flowers. Some, such as the hazel and alder, have both male and female flowers on the same tree. Others, such as these willows, have male trees or female trees which produce just one type of flower.
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An early-morning walk in May treated me to these frosted flowers in Muston Meadows NNR. The sward was still low, with many of the larger, later meadow species such as salad burnet and meadowsweet still to appear, and these smaller early-summer flowering species were the stars of the show. Clockwise from top left are bulbous buttercup,  cuckooflower, green-winged orchid and cowslip.
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Spring sandwort is a member of the campion family and I came across these cushions of flowers at a disused leadworking site in Derbyshire. It is quite a scarce plant across the UK but frequents these old spoil heaps – such is its connection that  leadwort is another name for this flower. I like that this species has specific habitat preferences which are far from the pristine grasslands and woodlands which are associated with the conservation of many species.
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This is another example of where a closer look rewards the curious – this is a view down the spadix of an arum lily – also known as Lords and Ladies. This reminds me of one of the plasma balls I used to see in Science Museums when I was younger!
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It would be difficult to exclude bluebells from this selection as the sight of a good bluebell wood, with wood anemone, primrose, violets and yellow archangel mixed in, is one of those sights which is profoundly uplifting after a long winter. Many species begin to flower before these, but the bluebell season marks a threshold between the sparsity of spring and the abundance of summer which is just on the horizon. I like the lightness and delicacy of this shot – taken at the Notts Wildlife Trust site – Treswell Wood.
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Another photograph from Treswell Wood. I’m not sure I’ve ever seen such an abundance of greater stitchwort than at this site this year – glades were filled with the snow-white flowers of this native woodland specialist.
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This is another photograph from Muston Meadows NNR – this time at sunset. I liked the moody, hazy feel of this photograph with buttercups and grass flowers against a darkening sky.
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This set was taken on my birthday this year – we were camping just below Old Sarum outside Salisbury and woke up early to climb the old hillside and watch the sun rise. The fields and landscape below were misty and I liked the contrast of these wildflowers against the sunrise haze.Clockwise from top left is dock, cow parsley, nettle and bulbous buttercup.
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Smooth tare is a member of the pea family with these tiny white flowers with delicate purple veining. Easily overlooked in a grassland sward, I like the way that they stand out against the soft greens of the surrounding vegetation when you get low enough to appreciate them!
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I took a treacherous walk up to the Hills and Hollows on the outskirts of Grantham one very stormy lunchtime in June – somehow these ominous heavens never opened but gave a nice opportunity to capture some common wildflowers against a dark sky. Clockwise from top left is white campion, poppy, white clover and hogweed.
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I have a real soft spot for arable weeds – modern farming works hard to eradicate competition from arable fields but many species still find a way to brighten a dull monoculture. This flax field was quite an amazing sight in itself with its array of ripe seeds, but flecked throughout where the glaucous green and delicate mauve of fumitory which scrambled up and through the crop.
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Harebells are common in more acidic conditions but can pop up in a variety of habitats. I found them for the first time in the grasslands above Grantham this year, nestled in amongst the Hills and Hollows, but this photo was taken on the Laurie Lee Wildlife Walk in Slad this autumn. You have to get down low to see inside these little flowers, and when i did, I was surprised to find two invertebrate residents settled in for the day. I guess a downwards-facing bell makes perfect cover for a snail to wait until nightfall!
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The Longshaw Estate in Derbyshire comes brightly to life with the purple wash of heather in August and this photograph was taken on one of my favourite walks which cuts across this land. The bell heather was frequented by the beautiful heather colletes bees which emerge to coincide with this floral abundance each year, feeding on the flowers and making their nest holes in the sandy soils beneath the roots.
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Another from the Peak District – this time the coconut-scented flowers of gorse against a backdrop of heather. The old saying goes, ‘when gorse is out of flower, kissing is out of fashion’ because you can find this species flowering pretty much anytime throughout the year. There are many fewer pollinators at work during the winter, but when a warm day awakens a hibernating bumblebee, it can be fairly sure of a nectar source amongst a stand of gorse.

 

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Whilst I doubt this will be my last wildflower photo of 2016, it seems a nice place to end – a common mallow flower with ice crystals taken on my walk to work in December. A bitterly cold morning, the white edging brought a nice contrast to the deep purple of this flower. Many wildflowers of late-summer will continue flowering until the first hard frosts of winter finish them off so this might perhaps signal the end for this individual!

If you are interested in commissioning botanical surveys in the midlands, you can check out Landscape Science Consultancy’s website here!