Megachile centuncularis

Megachile centuncularis, commonly known as the patchwork leafcutter bee,[2][3] is a species of bee in the family Megachilidae.[4] It was first described by the Swedish naturalist Carl Linnaeus in 1758.[4]

Megachile centuncularis
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Megachilidae
Genus: Megachile
Species:
M. centuncularis
Binomial name
Megachile centuncularis
Synonyms[1]
  • Apis fastosus Harris, 1776
  • Megachile parvula Lepeletier, 1841
  • Megachile infragilis Cresson, 1878
  • Megachile rufiventris Schenk, 1851
  • Megachile appia Nurse, 1903
  • Megachile leoni Titus, 1906

Description

The Megachilidae are long-tongued, solitary bees, characterized by a rectangular labrum, the flap-like structure at the front of the mouth. They carry pollen on hairs on the underside of the abdomen.[5] This species is about 2 cm (0.8 in) long and is largely black, the abdominal segments being fringed with golden hairs and the underside of the abdomen being clad with orange hairs.[6]

Distribution

Megachile centuncularis is native to the northern hemisphere, being present in both North America and Eurasia.[7] In western Europe, its range extends from Norway, Sweden and Finland southward to Spain and Italy. It occurs in eastern Ireland, and in Britain, especially in the southern part of the country. It is generally a common species and visits gardens in both rural and urban areas.[1]

Ecology

The adult bee feeds on nectar obtained from various flowers, particularly thistles and brambles. It collects pollen to provision the nest from a wide range of flowers, including those of the families Asteraceae, Fabaceae and Hypericaceae.[1]

This bee makes its nest in a variety of locations; in wood, in hollow stems, in wall cavities or crevices, or even soil, and has been known to use an upturned flowerpot. The bee uses its jaws like scissors to cut pieces of leaf to place in the nest; often rose leaves are used, or honeysuckle, horse chestnut, ash, birch or lilac.[1] At the nest site, pieces of leaf are rolled up, provisioned with pollen, and one egg is laid in each package. Finally the nest entrance is sealed with about six discs of leaf.[1][8]

Like other bees in temperate regions, M. centuncularis overwinters before emerging from the nest, either as a pupa, or as a fully developed larva.[9]

References
  1. Jukes, A. (2012). "Megachile centuncularis (Linnaeus,1758)". Bees Wasps & Ants Recording Society. Retrieved 14 June 2018.
  2. Cooper, Andrew (2006). Secret Nature of the Isles of Scilly. Green. p. 193. ISBN 1903998514.
  3. Mourier, Henri; Winding, Ove (1977). Collins Guide to Wild Life in House and Home. Collins. p. 180. ISBN 9780002197267.
  4. "Megachile". BioLib. 2014. Retrieved 19 October 2014.
  5. "Megachilidae". Bees Wasps & Ants Recording Society. Retrieved 14 June 2018.
  6. Samouelle, George (1819). The Entomologist's Useful Compendium. Thomas Boys. p. 285.
  7. Wilson, Joseph S.; Messinger Carril, Olivia J. (2015). The Bees in Your Backyard: A Guide to North America's Bees. Princeton University Press. p. 184. ISBN 978-1-4008-7415-6.
  8. Burnie, David (2005). Animal Factfile. Kingfisher. p. 87. ISBN 978-0-7534-1246-6.
  9. Medler, J. T. (February 1959). "A Note on Megachile centuncularis (Linn.) in Wisconsin (Hymenoptera: Megachilidae)". The Canadian Entomologist. 91 (2): 113–115. doi:10.4039/Ent91113-2. ISSN 1918-3240.

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