62.059 Phycitodes saxicola (Lesser Clouded Knot-horn)
ws: 14-20mm; Jun-Aug; chamomile (Anthemis spp); mainly coastal in England, ?Wales and S.Scotland
ID: Phycitodes binaevella/saxicola/maritima and Homoeosoma nebulella/nimbella all show a similar forewing pattern of a chalky white costal half, brown dorsal half, first line reduced to black dots, and a pair of black discal dots.
P.binaevella and H.nebulella can be excluded on size and forewing marking but the remaining 3 species require genital dissection for confident identification.
Male genitalia: aedeagus slender and tapering, uncus bristly
Female genitalia: 2 equal elongate spiculate patches in corpus bursae
See Phycitodes for further information on identification of this group.
P.binaevella and H.nebulella can be excluded on size and forewing marking but the remaining 3 species require genital dissection for confident identification.
Male genitalia: aedeagus slender and tapering, uncus bristly
Female genitalia: 2 equal elongate spiculate patches in corpus bursae
See Phycitodes for further information on identification of this group.
§1 Westcliff-on-sea, Essex; 24/06/2008; fw 8.9mm
§2 Galmpton, Devon; 26/07/2010; female; fw 9.1mm
§3 St Marys, Isles of Scilly; 10/06/2013; male; fw 8.5mm
§4 Portland, Dorset; 20/06/2015; female; fw 8.2mm; to light
§5 Portland, Dorset; 11/09/2019; female; fw 8.8mm; to light
§6 St Mary's, Isles of Scilly; 01/08/2022; male; fw 7.5mm; specimen provide by Mick Scott
§7 St Mary's, Isles of Scilly; 23/08/2022; female; fw 8.6mm
All images © Chris Lewis
§2 Galmpton, Devon; 26/07/2010; female; fw 9.1mm
§3 St Marys, Isles of Scilly; 10/06/2013; male; fw 8.5mm
§4 Portland, Dorset; 20/06/2015; female; fw 8.2mm; to light
§5 Portland, Dorset; 11/09/2019; female; fw 8.8mm; to light
§6 St Mary's, Isles of Scilly; 01/08/2022; male; fw 7.5mm; specimen provide by Mick Scott
§7 St Mary's, Isles of Scilly; 23/08/2022; female; fw 8.6mm
All images © Chris Lewis
Page published 27/03/2012 | §3 added and text amended 24/06/2013 | §4 added 05/03/2016 | §5 added 17/12/2019 | §6 added 18/10/2022 |
§7 added 02/12/2022
§7 added 02/12/2022