Main: (Noctuidae / Noctuinae)
73.315 [B&F: 2094] Great Dart (Agrotis bigramma) (Esper, 1790)


Rare immigrant from southern Europe, appearing in southern England. Eighteen were recorded in the 20th Century, including nine at Portland and three on St. Agnes on 10 August 1997. In Hampshire and on the Isle of Wight there have been two records of this very rare immigrant to date, both in August 1986, at Freshwater on the Island and at Beaulieu on the mainland. Wingspan 40-48 mm. Abdomen with conspicuous lateral tufts, in male white, in female dark; Turnip Moth A. segetum is usually smaller, has the reniform stigma less square and the abdominal tufts small and inconspicuous; Crescent Dart A. trux has the orbicular stigma conspicuously white (MBGBI Vol 9). Larva feeds on roots and lower stems of various grasses.

Flightime guide

Records Received By Year

% of total records
Max records: 1
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19

Percentage of Total Records

Total records
Max Percentage: 7.4506766E-4
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19

Phenology - Adult Records

Max records: 2
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

VC10 Isle of Wight
Freshwater (SZ38)12-Aug-1996oneKnill-Jones, SAAdult
Bonchurch (SZ57)25-Jul-2011oneHalsey, JAdult
VC11 South Hampshire
Beaulieu (SU30)05-Aug-1996oneIvon-Jones, BAdult
Sandy Point LNR (SZ79)17-Aug-2012oneJohnson, AAdult

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