Photo © Mike Wall

Dichrorampha flavidorsana

Checklist Number
49.319 [B&F: 1275]

Verification
Record requires retention of specimen until confirmed, and may require dissection. Consult with CMR if unsure

Classification

Family:Tortricidae
Subfamily:Olethreutinae
Genus:Dichrorampha
Species:flavidorsana
Authority:Knaggs, 1867

Nationally scarce (Nb) in dry pastures, gardens, orchards, parks and waste ground throughout much of southern Britain, predominantly coastal in the north of its range. In Hampshire very local, mainly in the south with a couple of sites further north on the foodplant in gardens. First recorded from the Isle of Wight in 2013. Wingspan 13-16 mm. Differs from D. alpinana by the comparatively narrow medio-dorsal blotch of the forewing and the uniformly dark fuscous hindwing; the male of D. flavidorsana is further distinguished by the shorter costal fold which does not extend to the median fascia on the forewing [Bradley]. Larva feeds within roots of Tansy.

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
Bonchurch (SZ57)04/08/2013oneBrian Elliott, James HalseyAdult

VC11 South Hampshire

Site Date Quantity Recorder Stage
Botley Wood (SU50)14/07/1977oneRichard J DicksonAdult
Eastney (SZ69)22/07/1978-J R LangmaidAdult
Milton Common (SU60)14/02/1980-J R Langmaid, D H SterlingLarval
Eastney (SZ69)30/06/1985-J R LangmaidAdult
Southsea (SZ69)28/06/1994oneJ R LangmaidAdult
Southsea (SZ69)24/07/1995oneJ R LangmaidAdult
Southsea (SZ69)28/07/1996oneJ R LangmaidAdult
Southsea (SZ69)09/07/1997oneJ R LangmaidAdult
Southsea (SZ69)11/07/1999oneJ R LangmaidAdult
Southsea (SZ69)19/06/2000oneJ R LangmaidAdult
Southsea (SZ69)20/07/2000oneJ R LangmaidAdult
Milton Common, Portsmouth (SU60)29/08/2000-Ian ThirlwellAdult
Southsea (SZ69)25/06/2001oneJ R LangmaidAdult
Winchester (SU43)21/07/2001twoJohn CloyneAdult
Southsea (SZ69)26/06/2002oneJ R LangmaidAdult
Winchester (SU43)06/07/2002oneJohn CloyneAdult
Southsea (SZ69)16/07/2002oneJ R LangmaidAdult
Winchester (SU43)29/07/2002oneJohn CloyneAdult
Winchester (SU43)02/07/2003oneJohn CloyneAdult
Winchester (SU43)31/07/2003oneJohn CloyneAdult
Chandlers Ford (SU42)06/08/2003oneBrian ElliottAdult
Southsea (SZ69)11/07/2004oneJ R LangmaidAdult
Fareham (SU50)29/07/2004oneRichard J DicksonAdult
Southsea (SZ69)27/06/2005oneJ R LangmaidAdult
Southsea (SZ69)11/07/2005oneJ R LangmaidAdult
Stanpit Depot (SZ19)15/07/2005threeP A Davey, R P HarleyAdult
Stanpit Depot (SZ19)09/08/2005twoP A Davey, G PalmerAdult
Southsea (SZ69)10/07/2006oneJ R LangmaidAdult
Fareham (SU50)11/07/2006sevenRichard J DicksonAdult
Southsea (SZ69)13/07/2006oneJ R LangmaidAdult
Portsmouth (SU60)17/07/2006oneIan ThirlwellAdult
Fareham (SU50)19/07/2006sixRichard J DicksonAdult
Sandy Point LNR (SZ79)25/07/2006-J W Phillips, B Elliott & T PicklesAdult
Sandy Point LNR (SZ79)25/07/2006-John W PhillipsAdult
Fareham (SU50)09/08/2009oneRichard J DicksonAdult
Southsea (SZ69)28/06/2011oneJ R LangmaidAdult
Portsmouth (SU60)03/07/2011oneIan ThirlwellAdult
Portsmouth (SU60)11/08/2011oneIan ThirlwellAdult
Milton Common (SU60)08/03/2012-J R Langmaid, D J L AgassizLarval
Southsea (SZ69)25/06/2012oneJ R LangmaidAdult
Southsea (SZ69)04/07/2012oneJ R LangmaidAdult
Milton Common (SU60)08/08/2012oneRichard J DicksonAdult
Southsea (SZ69)14/07/2013oneJ R LangmaidAdult
Southsea (SZ69)21/07/2013oneJ R LangmaidAdult
Fareham (SU50)15/07/2017oneTony TindaleAdult
Southsea (SZ69)07/07/2018oneJ R LangmaidAdult
Southsea (SZ69)27/07/2018oneJ R LangmaidAdult
Southsea (SZ69)17/07/2020oneJ R LangmaidAdult

VC12 North Hampshire

Site Date Quantity Recorder Stage
Weston Colley (SU53)20/06/2012oneDavid G GreenAdult
Basingstoke (SU65)19/06/2013oneMike WallAdult