Global InformationAgelastica alni information
| Agelastica alni | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Coleoptera |
| Infraorder: | Cucujiformia |
| Family: | Chrysomelidae |
| Subfamily: | Galerucinae |
| Tribe: | Hylaspini |
| Genus: | Agelastica |
| Species: | A. alni
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| Binomial name | |
| Agelastica alni (Linnaeus, 1758)
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| Synonyms[1][2] | |
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Agelastica alni, the alder leaf beetle, is a species of leaf beetle (Chrysomelidae) in the genus Agelastica.[3] Agelastica alni is distributed in Europe, the Caucasus, Siberia, north-eastern Kazakhstan, and in the 19th century was introduced to the United States.[4]
The beetle and the beetle's larval host is the grey or speckled alder (Alnus incana) and to a lesser extent black alder (Alnus glutinosa), but it will also be found on hazel, birch or hornbeam[5] if there is a shortage of food. It causes large holes and gaps in leaves from the end of April onwards, which are produced by the larvae in the first two stages, but the main damage is produced by larvae in the third stage.
Previously rare, and considered extinct in the UK,[6] since being found in Manchester in 2004 it appears to be on the increase in the North West of England. Its range has been extending and it was found in Nottinghamshire and Hampshire in 2014 and in North Wales in 2018.[5][7]
- ^ Beenen, R. (2010). "Galerucinae Latreille, 1802". In Löbl, I.; Smetana, A. (eds.). Catalogue of Palaearctic Coleoptera. Volume 6. Chrysomeloidea. Stenstrup, Denmark: Apollo Books. pp. 443–491. ISBN 978-87-88757-84-2.
- ^ Bezděk, J. (2015). "A review of palaearctic Scelolyperus (Coleoptera: Chrysomelidae: Galerucinae), with description of S. perreus sp. nov. from Turkey". Annales Zoologici. 65 (1): 21–39. doi:10.3161/00034541ANZ2015.65.1.003.
- ^ "Agelastica alni". BioLib.cz. Retrieved 2017-03-31.
- ^ Kolk, A; Starzyk, J.R. (1996). Atlas szkodliwych owadów leśnych (The atlas of harmful forest insects). Warszawa: The Polish Forest Research Institute. Multico Ofic. Wyd. p. 705.
- ^ a b RHS (2019). "Alder leaf beetle". Royal Horticultural Society. Retrieved 11 June 2019.
- ^ "Alder Leaf Beetle". Archived from the original on 2009-12-19. Retrieved 2017-03-31.
- ^ "A beetle thought to have been extinct in Britain has been found in ..... Northop Deeside.com". www.deeside.com. Retrieved 2018-08-16.