Status
.....At one time, this was a generally more uncommon
species in Nottinghamshire, than either Dahlica lichenella
and Dahlica inconspicuella, but in recent years, records have
come from a range of (perhaps unlikely) sites, including a number from
urban locations.
There are currently
records from the flood wall at Attenborough NR, Newark Railway Station,
Hucknall Road, close to Nottingham City Hospital, Retford and Market
Warsop Cemeteries, the centre of Mansfield, and both Gunthorpe Bridge
and Trent Bridge along the River Trent. Although the
larvae of all three Dahlicas produce very
similar cases, those of Dahlica triquetrella
are slightly larger (close to 10mm) and usually with various insect
fragments at the front end and the case is distinctly triangular in
cross section. |