49.318 Dichrorampha vancouverana (Orange-spot Yarrow Moth)
ws: 12-15mm; Jun-Jul; yarrow (Achillea millefolium), tansy (Tanacetum vulgare); local throughout GB
Synonyms: Dichrorampha gueneeana (BTM), Hemimene questionana (Pierce & Metcalfe)
Synonyms: Dichrorampha gueneeana (BTM), Hemimene questionana (Pierce & Metcalfe)
Dichrorampha vancouverana §4 male
ID: Median dorsal blotch dull orange.
Male has the costal fold reaching to near middle of costa; female has costal strigulae extending into the basal area.
Male genitalia: No juxta lobes; aedeagus long and sinuate; cucullus angled posteriorly, with a small spur on its distal margin.
Female genitalia: Sclerotised antrum extends anterior to anterior margin of A7; ostium extends posteriorly from A7; sclerotisation of A7 ventral plate appears ~circular.
See Dichrorampha for more information.
Male has the costal fold reaching to near middle of costa; female has costal strigulae extending into the basal area.
Male genitalia: No juxta lobes; aedeagus long and sinuate; cucullus angled posteriorly, with a small spur on its distal margin.
Female genitalia: Sclerotised antrum extends anterior to anterior margin of A7; ostium extends posteriorly from A7; sclerotisation of A7 ventral plate appears ~circular.
See Dichrorampha for more information.
§1 Horsey, Norfolk; 22/07/2008; female; fw 6.7mm
§2 Foulness, Essex; 19/07/2014; male; fw 5.3mm
§3 Cranwich Heath; 05/07/2019; female; fw 5.2mm
§4 Westcliff-on-sea, Essex; 11/08/2020; male; fw 6.1mm
§5 Westcliff-on-sea, Essex; 11/08/2020; female; fw 7.1mm
All images © Chris Lewis
§2 Foulness, Essex; 19/07/2014; male; fw 5.3mm
§3 Cranwich Heath; 05/07/2019; female; fw 5.2mm
§4 Westcliff-on-sea, Essex; 11/08/2020; male; fw 6.1mm
§5 Westcliff-on-sea, Essex; 11/08/2020; female; fw 7.1mm
All images © Chris Lewis
Page published 11/02/2013 (§1) | §2 added 18/08/2014 | §3 added 10/01/2019 | §4&5 added 05/02/2021 |
§1 removed 07/05/2026 (identity not certain) | text amended 09/05/2026
§1 removed 07/05/2026 (identity not certain) | text amended 09/05/2026
