Tansy beetle (Chrysolina graminis)

Tansy beetle
Tansy beetle

Tansy beetle fact file

Tansy beetle description

KingdomAnimalia
PhylumArthropoda
ClassInsecta
OrderColeoptera
FamilyChrysomelidae
GenusChrysolina (1)

The tansy beetle is an attractive bright green leaf beetle, with a coppery sheen (2). The wing cases were so admired by Victorians that they were used as sequins (3).

Size
Length: 7-11 mm (2)
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Tansy beetle biology

Little is known of the ecology of this species.

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Tansy beetle range

This beetle was once very widespread in Britain, but is currently endangered (3). It is now restricted to the banks of the River Ouse around York (3).

You can view distribution information for this species at the National Biodiversity Network Gateway.

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Tansy beetle habitat

Occurs on Tansy (Tanacetum vulgare) beside riverbanks (1).

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Tansy beetle status

Included in English Nature's Species Recovery Programme.

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Tansy beetle threats

Reasons for the devastating decline of this beautiful beetle are unknown (3). Present threats include shading mainly by willows, planted to help to stabilise the riverbank, or the introduced plant Himalayan balsam (Impatiens gludulifera) (3).

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Tansy beetle conservation

English Nature has funded a three-year study of the ecology of this beetle at the University of York. Hopes are that insights into the species resulting from this research will aid its conservation (3).

During construction of improved flood defences in part of the current range, tansy plants and beetles were removed, stored and relocated on the new defences. If this work is successful, English Nature may develop a long-term recovery programme for the species (3).

There may be further information about this species available via the National Biodiversity Network Gateway.

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Find out more

For more on English Nature's Species Recovery Programme see:
http://www.english-nature.org.uk/science/srp/default.asp

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Authentication

This information is awaiting authentication by a species expert, and will be updated as soon as possible. If you are able to help please contact: arkive@wildscreen.org.ukTop

References

  1. National Biodiversity Network Species Dictionary (September 2002) http://www.nhm.ac.uk/nbn/
  2. Joy, N.H. (1932) A practical handbook of British beetles. Volume 1. H. F. & G. Witherby, London.
  3. The Environment Agency (1998) Focus on Biodiversity. The Environment Agency, Bristol.

More »Related species

Rainbow leaf beetle (Chrysolina cerealis)Pashford pot beetle (Cryptocephalus exiguus)Reed beetle (Donacia aquatica)Pot beetle (Cryptocephalus primarius)Bloody-nosed beetle (Timarcha tenebricosa)Shining pot beetle (Cryptocephalus nitidulus)Six-spotted pot beetle (Cryptocephalus sexpunctatus)Ten-spotted pot beetle (Cryptocephalus decemmaculatus)

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Image credit

Tansy beetle  
Tansy beetle

© Roger Key

Dr Roger Key
Tel: +44 (0) 1845 567 292
key_r_s@yahoo.co.uk

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