Main: (Plutellidae / Plutellinae)
18.001 [B&F: 0464] Diamond-back Moth (Plutella xylostella) (Linnaeus, 1758)

 

Common immigrant from mainland Europe, sometimes appearing in vast numbers in all types of habitat throughout the British Isles, becoming established under favourable conditions, when occasionally reaching plague proportions on farms where cabbages are grown. Widespread and in some years abundant in Hampshire and on the Isle of Wight. Wingspan 12-17 mm. Larva feeds on various Cruciferae beneath a silken web, over-wintering as a pupa.

Flightime guide
StageJFM AMJ JAS OND
Adult
Larval

Records Received By Year

% of total records
Max records: 1049
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20

Percentage of Total Records

Total records
Max Percentage: 1.1965461
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20

Phenology - Adult Records

Max records: 893
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

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