70.115 (1873) Welsh Wave Venusia cambrica Curtis, 1839

Status
Resident. Local.
 
Flight period
J F M A M J J A S O N D
























 
History
Lennon (1864) stated that H. T. Stainton knew of no Scottish record although the Rev. F. O. Morris had mentioned Arran and Ben Nevis. However, he had caught it at Dalskairth (VC73) in 1862 and July 1863. Gordon (1919) found it to be common on tree trunks and at woodsides at dusk in Wigtownshire. Earliest date was 5th July 1906.
 
Sir Arthur Duncan (1909-84) during his lifetime had found it at Closeburn and Tynron (VC72).
 
During 1974-79 it was trapped mainly at the Gatehouse of Fleet Rothamsted station, but other records came from Bridge of Dee, 1976-77, and Mabie Forest in 1986. From 1992 to 2010 there were seventy records, with fourteen from Castle Loch at Lochmaben, the rest from a wide scattering of sites across the region.
 
Life cycle
One generation. Overwinters as pupa. Larvae are present July to September.
 
Larval foodplants
Rowan.
 
Identification
The pair of blackish spikes projecting outwards from the dark cross-line is diagnostic.
 
Habitat
High and low altitude moorland, also, open woodland.
© Keith Naylor, Knowetop Lochs SWT, 1 August 2004

Local distribution map

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Distribution map displays records from the National Biodiversity Network (See terms and conditions).

The following datasets are included:

  • Butterfly Conservation - Macro-moth provisional distribution for the British Isles (excluding the Republic of Ireland) from the National Moth Recording Scheme
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