Main: (Psychidae / Naryciinae)
11.003 [B&F: 0176] Dahlica triquetrella (Hübner, [1813])

 

Vulnerable (proposed as a future Red Data Book species) in areas where lichens and moss are common; the distribution in Britain is imperfectly known owing to confusion with related species. In Hampshire known only from Hilsea, Portsmouth. Not recorded from the Isle of Wight to date. Male unknown, female wingless. Larva feeds on lichens growing on tree trunks, fence posts and old walls, living within a movable case.

Flightime guide
StageJFM AMJ JAS OND
Adult
Larval

Records Received By Year

% of total records
Max records: 3
                           
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Percentage of Total Records

Total records
Max Percentage: 0.0023831464
                           
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Phenology - Larval Records

Max records: 4
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Distribution Map

Historical distribution at tetrad resolution
Click for density map

Record Density

As above but the larger the symbol, the greater the number of records
Click for distribution map

Detail records

SiteDateQuantityRecorderStage
VC11 South Hampshire
Hilsea, Portsmouth (SU60)14-Oct-2005-Langmaid, John & Thirlwell, IanCase
Hilsea, Portsmouth (SU60)27-Oct-2005-Langmaid, John & Thirlwell, IanCase
Hilsea, Portsmouth (SU60)05-Mar-2006-Langmaid, John & Thirlwell, IanCase
Hilsea, Portsmouth (SU60)15-May-2006oneLangmaid, John & Dickson, RIchardCase
Hilsea Lines, Portsmouth (SU60)15-May-2006oneDickson, RichardCase
Hilsea, Portsmouth (SU60)08-Feb-2007-Langmaid, JR; Sterling, PHCase
Hilsea, Portsmouth (SU60)21-Feb-200820Langmaid, JR; Sterling, PH; Thirlwell, IRCase
Hilsea, Portsmouth (SU60)07-Nov-2008-Langmaid, JR; Sterling, PHCase
Hilsea, Portsmouth (SU60)01-Apr-2009-Langmaid, John & Thirlwell, IanCase
Hilsea, Portsmouth (SU60)31-Mar-2013-Langmaid, John & Davis, TonyCase
Hilsea, Portsmouth (SU60)15-May-2013-Langmaid, John, M.R. & J.E. YoungCase
Hilsea, Portsmouth (SU60)20-May-2015-Langmaid, John & Palmer, S M Case

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