Osmia bicornis (rufa)
![[i]Osmia bicornis[/i] mating pair, Staffordshire, May 2016. Note difference in size and colouration between male and…](https://photos.on-this.website/a/iOm1fRIzl1K7QF0feItMX3lj6Dg=/lt_21826_843125945773899d2c650.jpg)
Osmia bicornis - Pair
Osmia bicornis mating pair, Staffordshire, May 2016. Note difference in size and colouration between male and female and the two small facial "horns" on the female.
Photo: Osmia bicornis - Pair. Osmia bicornis mating pair, Staffordshire, May 2016. Note difference in size and colouration between male and female and the two small facial "horns" on the female.
Osmia bicornis (m)
Osmia bicornis males. Staffordshire garden, May 2016. Bees use the bee-hotels for "roosting" overnight and when the weather is cold and/or wet.
Photo: Osmia bicornis (m). Osmia bicornis males. Staffordshire garden, May 2016. Bees use the bee-hotels for "roosting" overnight and when the weather is cold and/or wet.
Osmia bicornis (m)
Osmia bicornis male emerging from nest in bee-hotel. Staffordshire garden, May 2016.
Photo: Osmia bicornis (m). Osmia bicornis male emerging from nest in bee-hotel. Staffordshire garden, May 2016.
Osmia bicornis (m)
Osmia bicornis male. Staffordshire garden, April 2016.
Photo: Osmia bicornis (m). Osmia bicornis male. Staffordshire garden, April 2016.
Osmia bicornis (m)
Osmia bicornis male. Staffordshire garden, April 2016.
Photo: Osmia bicornis (m). Osmia bicornis male. Staffordshire garden, April 2016.
Osmia bicornis (f)
Osmia bicornis female. Staffordshire garden, May 2015.
Photo: Osmia bicornis (f). Osmia bicornis female. Staffordshire garden, May 2015.
Osmia bicornis (f)
Osmia bicornis female returning to bee-hotel with mud ball. Staffordshire garden, May 2015.
Photo: Osmia bicornis (f). Osmia bicornis female returning to bee-hotel with mud ball. Staffordshire garden, May 2015.
Osmia bicornis (m)
Osmia bicornis male. Staffordshire garden, April 2015.
Photo: Osmia bicornis (m). Osmia bicornis male. Staffordshire garden, April 2015.
Osmia bicornis (males)
Osmia bicornis, pair of males. Staffordshire, April 2015.
Photo: Osmia bicornis (males). Osmia bicornis, pair of males. Staffordshire, April 2015.
![Female[i] Osmia bicornis[/i], Staffordshire, April 2015. Investigating holes in a garden bee-hotel](https://photos.on-this.website/a/UFwsDjrBaKlquInHmwQ3D_ymcac=/lt_21826_3230242685530c677078a5.jpg)
Osmia bicornis (f)
Female Osmia bicornis, Staffordshire, April 2015. Investigating holes in a garden bee-hotel
Photo: Osmia bicornis (f). Female Osmia bicornis, Staffordshire, April 2015. Investigating holes in a garden bee-hotel
Osmia bicornis (m)
Osmia bicornis male warming-up on the fence near my garden "bee hotel". Staffordshire, April 2015.
Photo: Osmia bicornis (m). Osmia bicornis male warming-up on the fence near my garden "bee hotel". Staffordshire, April 2015.
![[i]Osmia bicornis[/i] brood cell in glass "observation" tube. Warwickshire, May 2014. Eggs deposited on collected pol…](https://photos.on-this.website/a/rfav0AZY0abqvmV11E16NtYS09c=/lt_21826_5590972595380bece0c91d.jpg)
Osmia bicornis (brood cell)
Osmia bicornis brood cell in glass "observation" tube. Warwickshire, May 2014. Eggs deposited on collected pollen/nectar mixture. Note mud divisions between brood cells.
Photo: Osmia bicornis (brood cell). Osmia bicornis brood cell in glass "observation" tube. Warwickshire, May 2014. Eggs deposited on collected pollen/nectar mixture. Note mud divisions between brood cells.
![Female[i] Osmia bicornis[/i], Warwickshire, April 2014. Clearing out materials from an old nesting site.](https://photos.on-this.website/a/WQtxQ-uq-EtT8JcTMSwEe0KlzZQ=/lt_21826_391413023535817a34bac7.jpg)
Osmia bicornis (f)
Female Osmia bicornis, Warwickshire, April 2014. Clearing out materials from an old nesting site.
Photo: Osmia bicornis (f). Female Osmia bicornis, Warwickshire, April 2014. Clearing out materials from an old nesting site.
Osmia bicornis (m)
Osmia bicornis male looking out of a nest hole in my garden "bee hotel". Warwickshire, April 2014.
Photo: Osmia bicornis (m). Osmia bicornis male looking out of a nest hole in my garden "bee hotel". Warwickshire, April 2014.
Osmia bicornis (m)
Osmia bicornis male resting on a grape hyacinth flower. Warwickshire, April 2014.
Photo: Osmia bicornis (m). Osmia bicornis male resting on a grape hyacinth flower. Warwickshire, April 2014.
![Female[i] Osmia bicornis[/i], Warwickshire, June 2013. Note facial 'horns' used for moulding mud during nest building.](https://photos.on-this.website/a/W0drI_XksGWth6Q7N_I6BOsiJew=/lt_21826_11436880285204fd536362d.jpg)
Osmia bicornis (f)
Female Osmia bicornis, Warwickshire, June 2013. Note facial 'horns' used for moulding mud during nest building.
Photo: Osmia bicornis (f). Female Osmia bicornis, Warwickshire, June 2013. Note facial 'horns' used for moulding mud during nest building.
![Female[i] Osmia bicornis[/i], sealing a nest hole with mud. Warwickshire, May 2013.](https://photos.on-this.website/a/G2KbxtzHGxnM7-XitrK2Xa6PFTE=/lt_21826_209284998851a5bc90c5a60.jpg)
Osmia bicornis (f)
Female Osmia bicornis, sealing a nest hole with mud. Warwickshire, May 2013.
Photo: Osmia bicornis (f). Female Osmia bicornis, sealing a nest hole with mud. Warwickshire, May 2013.
Osmia bicornis
Mating pair. Warwickshire, May 2013.
Photo: Osmia bicornis. Mating pair. Warwickshire, May 2013.
Osmia bicornis (m)
Osmia bicornis male chewing its way out of a nest hole in my garden "bee hotel". Warwickshire, May 2013.
Photo: Osmia bicornis (m). Osmia bicornis male chewing its way out of a nest hole in my garden "bee hotel". Warwickshire, May 2013.
Osmia bicornis (m)
Male waiting for females at a nest hole. Warwickshire, April 2012.
Photo: Osmia bicornis (m). Male waiting for females at a nest hole. Warwickshire, April 2012.
Osmia bicornis (m)
Male waiting for females at a nest hole. Warwickshire, April 2012.
Photo: Osmia bicornis (m). Male waiting for females at a nest hole. Warwickshire, April 2012.
![Male feeding in a dandelion ([i]Taraxacum officinale[/i]) flower. Warwickshire, May 2012.](https://photos.on-this.website/a/ENoUchqrxxVTiE4I_JIfOeKYTrw=/lt_21826_16794009794facbe49b6cec.jpg)
Osmia bicornis (m)
Male feeding in a dandelion (Taraxacum officinale) flower. Warwickshire, May 2012.
Photo: Osmia bicornis (m). Male feeding in a dandelion (Taraxacum officinale) flower. Warwickshire, May 2012.
Osmia bicornis (m)
A male, found indoors. Warwickshire, May 2012.
Photo: Osmia bicornis (m). A male, found indoors. Warwickshire, May 2012.
Osmia bicornis (m)
Male at a nest hole after roosting overnight.
Photo: Osmia bicornis (m). Male at a nest hole after roosting overnight.
Osmia bicornis (m)
Male cleaning by a nest hole. Warwickshire, May 2012.
Photo: Osmia bicornis (m). Male cleaning by a nest hole. Warwickshire, May 2012.
Osmia bicornis (m)
Male at a nest hole. Warwickshire, May 2012.
Photo: Osmia bicornis (m). Male at a nest hole. Warwickshire, May 2012.
Osmia bicornis (f)
Female sealing nest hole with mud. Staffordshire, May 2012.
Photo: Osmia bicornis (f). Female sealing nest hole with mud. Staffordshire, May 2012.
Osmia bicornis (f)
A female roosting in a niche in an old stone wall. Note "horns" used during nest building. Warwickshire, May 2012.
Photo: Osmia bicornis (f). A female roosting in a niche in an old stone wall. Note "horns" used during nest building. Warwickshire, May 2012.
Osmia bicornis (f)
Female in a "Bee Hotel" in my garden. Warwickshire, May 2012.
Photo: Osmia bicornis (f). Female in a "Bee Hotel" in my garden. Warwickshire, May 2012.
Osmia bicornis (f)
Female at a nest hole. Warwickshire, May 2012.
Photo: Osmia bicornis (f). Female at a nest hole. Warwickshire, May 2012.
Osmia bicornis (f)
Two females fighting over a nest hole. Warwickshire, May 2012.
Photo: Osmia bicornis (f). Two females fighting over a nest hole. Warwickshire, May 2012.
![Two [i]Osmia bicornis[/i] females on my "Bee Hotel".](https://photos.on-this.website/a/urGUYq-NsCUgdeTlretVjd-PRxU=/lt_21826_1427943104fe176d3d50e8.jpg)
Osmia bicornis (f)
Two Osmia bicornis females on my "Bee Hotel".
Photo: Osmia bicornis (f). Two Osmia bicornis females on my "Bee Hotel".