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

 

Notes: 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
JFM AMJ JAS OND

Records Received By Year

% of total records
Max records: 3
                                       
90 91 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16

Percentage of Total Records

Total records
Max Percentage: 0.0018024839
                                       
90 91 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16

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

SiteVCQtyDateStage
Hilsea11115/05/2006Case
Hilsea11115/05/2006Case
Hilsea11001/04/2009Case
Hilsea11015/05/2013Case
Hilsea11031/03/2013Case
Hilsea11007/11/2008Case
Hilsea112021/02/2008Case
Hilsea11008/02/2007Case
Hilsea11027/10/2005Case
Hilsea11014/10/2005Case
Hilsea11005/03/2006Case
Hilsea11020/05/2015Case
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