32.039 Depressaria daucella (Water-dropwort Brown)
ws: 22-25mm; Aug-Apr; water-dropwort species (Oenanthe spp), whorled caraway (Carum verticillatum); locally common along watercourses, ditches, river margins, marshes, wet meadows and damp moorland through out GB - more common in West than East.
Depressaria daucella §1 male
ID: From key in MBGBI4.1 - Fw costal 2/5 not contrastingly reddish, without round white dot in disc at 2/3 >
A. labial palp S3 blackish with pale tip; thorax concolorous with forewing > D.daucella OR
B. labial palp S3 with 2 dark bands; fw without whitish suffusion along costa, without row of discrete terminal dots, with indistinct fascia at ¾ angled at 40-60 deg (not 80-100 deg); ws 21-24mm > D.daucella (the size range quoted in the key is different from that quoted in the text, 22-25mm - this couplet separates D.daucella from the smaller D.ultimella which has ws quoted as 16-20mm in the key and 16-21mm in the text).
Specimen §1 gets to D.daucella either way and the distinctive sacculus in the male genitalia confirms the ID
A. labial palp S3 blackish with pale tip; thorax concolorous with forewing > D.daucella OR
B. labial palp S3 with 2 dark bands; fw without whitish suffusion along costa, without row of discrete terminal dots, with indistinct fascia at ¾ angled at 40-60 deg (not 80-100 deg); ws 21-24mm > D.daucella (the size range quoted in the key is different from that quoted in the text, 22-25mm - this couplet separates D.daucella from the smaller D.ultimella which has ws quoted as 16-20mm in the key and 16-21mm in the text).
Specimen §1 gets to D.daucella either way and the distinctive sacculus in the male genitalia confirms the ID
§1 Lands End, Cornwall; 24/09/2011; male; fw 10.9mm
§2 St Marys, Isles of scilly; 03/10/2014; male; fw 11.3mm
§3 St Marys, Isles of scilly; 17/10/2014; female; fw 10.9mm
§4 Compton Bishop, Somerset; 27/08/2014
§5 St Marys, Isles of Scilly; 29/09/2017; female; fw 10.4mm
§6 St Marys, Isles of Scilly; 26/09/2020; male; fw 10.0mm
All images © Chris Lewis
§2 St Marys, Isles of scilly; 03/10/2014; male; fw 11.3mm
§3 St Marys, Isles of scilly; 17/10/2014; female; fw 10.9mm
§4 Compton Bishop, Somerset; 27/08/2014
§5 St Marys, Isles of Scilly; 29/09/2017; female; fw 10.4mm
§6 St Marys, Isles of Scilly; 26/09/2020; male; fw 10.0mm
All images © Chris Lewis
Page published 07/12/2011 | §2&3 added 29/10/2014 | §4 added 27/11/2014 | §5 added 30/11/2017 | §6 added 07/12/2020
