Main: (Crambidae / Glaphyriinae)
63.061 [B&F: 1360] Old World Webworm (Hellula undalis) (Fabricius, 1781)

 

Very rare immigrant (less than 10 previous UK records) from the tropics of the Old World, where widespread. This species is presumed to have arrived on these shores as an immigrant from Africa on the basis of a specimen taken at a light-trap near East Prawle, Devon, on 28 September 1967. A subsequent increase in the frequency of its occurrence hints at an origin closer to home. Up to the end of 2008, there were three records in the region, all in October, including one from well inland in Hampshire and one from the Isle of Wight.

Flightime guide
JFM AMJ JAS OND

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: 0.0017248815
                                 
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: 1
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

SiteDateQuantityRecorderStage
VC10 Isle of Wight
(SZ38)1981---
Freshwater (SZ38)26-Oct-1989oneKnill-Jones, SAAdult
VC11 South Hampshire
Hurn (SZ19)16-Oct-2001oneJeffes, MAdult
Lymington (SZ39)19-Dec-2015oneHarmer, AAdult
VC12 North Hampshire
Northwood (SU43)12-Oct-2006oneBell, RAAdult

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