Ashy mining bee

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Ashy mining bee
Andrena cineraria.jpg
Scientific classification edit
Kingdom: Animalia
Phylum: Euarthropoda
Class: Insecta
Order: Hymenoptera
Family: Andrenidae
Genus: Andrena
Species:
A. cineraria
Binomial name
Andrena cineraria
(Linnaeus, 1758)

The ashy mining bee or grey mining bee, Andrena cineraria, is a European species of the sand bee (Andrena) genus.[1][2] Its distinctive colouring makes it one of the most easily recognised of the genus.[3] The females are black, with two broad grey hair bands across the thorax. The male is also black although the thorax is entirely covered with grey hairs.[4] The male has a tuft of white hairs on the lower face and white hairs on all femora while the female has white hairs only on the front femora.[2] The female has twelve segments to their antennae and the male has thirteen.[3]

The ashy mining bee is common and widespread throughout Europe. ranging from Ireland across central Europe and into Scandinavia. They are common throughout the United Kingdom although less frequent in northern Scotland. Generally docile, they are considered safe around children and pets.[4] The ashy mining bee flies from April until early June, most noticeably during the flowering periods of fruit trees, of which they are an important pollinator.[4] They are also commonly seen hovering just above the ground after mating in spring.[5] Following mating, the male dies and the female starts to build a nest. Each female has her own nest and the ashy mining bee is therefore classified amongst solitary bees. They prefer to nest in tended lawns, flowerbeds, parkland, calcareous grassland, orchards and on the borders of agricultural land.[4]

The nest is a simple burrow with several brood cells branching off it. The entrances to the burrows are identifiable by the conical mounds of excavated spoil on the surface. The female fills the brood cells with a mixture of nectar and pollen, and lays one egg in each cell. The larva hatches within a few days, grows quickly and pupates within a few weeks. The adults emerge the following spring after hibernation. The male emerges before the female.[4] The nests are frequently invaded by cleptoparasitic "cuckoo bees."[5]

References

  1. ^ Dallas, William Sweetland (1857). Elements of entomology: an outline of the natural history and classification of British insects. London: Taylor and Francis. pp. 274–276.
  2. ^ a b "Grey mining bee". Nature Spot. Retrieved 2012-05-28.
  3. ^ a b Phillips, Ed (6 April 2012). "The Ashy Mining Bee - Andrena cineraria". Insect, Macro and Wildlife Images. Retrieved 2012-05-28.
  4. ^ a b c d e Roberts, Stuart (April 2010). "Ashy Mining-bee (Andrena cineraria)" (PDF). Bwars. Retrieved 2012-05-28.
  5. ^ a b Bradley, G. (2011). "Ashy Mining Bees". UK Safari. Retrieved 2012-05-28.

External links

  • Video Andrena cineraria


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