Photo © Dave Shenton

Aethes williana

Checklist Number
49.116 [B&F: 0944]

Verification
Record will normally be accepted but photo evidence may be required - check with CMR if not sure of identity

Classification

Family:Tortricidae
Subfamily:Tortricinae
Genus:Aethes
Species:williana
Authority:(Brahm, 1791)

Nationally scarce (Nb) in dry pastures and on downland in southern England. In Hampshire and on the Isle of Wight restricted to a few sites on the coast to the west of the region, including Hurst Castle. Wingspan 10-16 mm. Day-flying in warm, dry weather; similar to, but smaller than, A. margarotana with forewing tinged olive and more obvious white transverse spots or striae [Bradley]. Larva feeds within roots and lower stems of Wild Carrot, and perhaps also Sea Carrot.

The abundance in each month is indicated as follows:

No records
Very occasional
Irregular
Uncommon
Off-peak, but not unusual
Off-peak, but not unusual
Main flight time
J F M A M J J A S O N D
Adult
Larval

Records by week (adult)

Records by week (larval)

VC10 Isle of Wight

Site Date Quantity Recorder Stage
Afton Down (SZ38)1856-IWGAdult
Ventnor (SZ57)1880-SouthAdult
Ventnor (SZ57)1900-W FassnidgeAdult
Freshwater (SZ38)1900-K G BlairAdult
Freshwater (SZ38)1900-W FassnidgeAdult
Tennyson Down (SZ38)1959-D W H FfennellAdult
West High Down (SZ38)1970-Richard J DicksonAdult
Freshwater (SZ38)1970-Richard J DicksonAdult
Compton Bay (SZ38)1970-Richard J DicksonAdult
St. Catherine's Point (SZ47)1970-Richard J DicksonAdult
Tennyson Down (SZ38)12/06/1990-Sam Knill-JonesAdult
Totland (SZ38)07/06/2004oneSam Knill-JonesAdult
Compton Down (SZ38)21/06/2013oneSDBevan, RJHeckfordAdult

VC11 South Hampshire

Site Date Quantity Recorder Stage
Hurst Castle (SZ38)04/06/1985-J R Langmaid, E C Pelham-Clinton, E H WildAdult
Milford on Sea (SZ29)01/01/1989-J R Langmaid, D H, P H, M J SterlingLarval
Hurst Castle (SZ38)02/06/1992-J R Langmaid, D J L Agassiz, A M EmmetAdult
Hook Spit (SU40)07/06/2006oneRichard J DicksonAdult
Burton, nr Christchurch (SZ19)28/08/2015oneJean SouthworthAdult