Main: (Noctuidae / Xyleninae)
73.119 [B&F: 2368] Crescent (Helotropha leucostigma) (Hübner, [1808])

 

Notes: Local in fens, reed-beds, marshes, river-banks and other damp areas throughout much of the British Isles, a species of conservation concern under the UK Biodiversity Action Plan. In Hampshire and on the Isle of Wight mainly confined to the coast, where there is a particularly strong population at Titchfield Haven, with a scattering of inland records, most notably at Winnall Moors, Winchester. Wingspan 35-41 mm. Forewing rather narrow and pointed, the costa arched, termen crenulate, dorsum weakly lobed beyond narrowed base (MBGBI Vol 10). Larva feeds on Great Fen-sedge and Yellow Iris, over-wintering as an egg.

Flightime guide
JFM AMJ JAS OND

Records Received By Year

% of total records
Max records: 21
90 91 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13

Percentage of Total Records

Total records
Max Percentage: 0.05148699
90 91 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13

Phenology - Adult Records

Max records: 61
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
Web Hosting from Vision Internet Limited