Species Details

ABH: 49.319

BF: 1275

Family: Tortricidae

Subfamily: Olethreutinae

Taxon: Dichrorampha flavidorsana

Authority: Knaggs, 1867

Vernacular: Orange-spot Tansy Moth

Account: 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 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.

Accounts provided by and used with the kind permission of Mike Wall, Hampshire County Moth Recorder. These will in due course be gradually replaced with species accounts with a Surrey context.

Wingspan: 13 — 16 mm

Surrey Flight Period: 21 Jul (2005) — 23 Jul (1997)

The flight period of overwintering adults are not given. See the flight chart below the distribution map.

Foodplant: Tanacetum vulgare (Tansy).

Foodplant accounts are from the HOSTS database — Natural History Museum, London, UK. (CC0).

Status: Nationally Scarce B

UK BAP:

WCA:

Click here to view the full geology map of Surrey.

Verification Grade: 4 — ️‼️Dissection required️‼️
Further Information: https://www.ukmoths.org.uk/species/dichrorampha-flavidorsana/
Statistics

* Based on adult records only.

Records: 2

Individuals: 0

Earliest Year: 1997

Latest Year: 2005

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