TORTRICIDAE | Tortricinae: Cochylini

49.131 Cochylidia heydeniana (Blue-fleabane Straw)

​ws: 9-13mm (BTM), fw: 4-6mm (Sterling & Parsons); bivoltine Jun, Jul-Aug; blue/Canadian fleabane (Erigeron acer/Conyza canadensis); NS-A dry pasture, waste, dunes in S.England
Picture
Cochylidia heydeniana §1 male
ID: Similar to C.implicitana but averages smaller and has a broader median fascia attenuating as it approaches the costa. C.implicitana often shows some rosy flushing of the forewing which is not seen in C.heydeniana.
Male genitalia:  
Female genitalia:  
  • Variation
  • Dissection
  • Male genitalia
  • Female genitalia
<
>
§1 Heydon, Cambridgeshire; 30/07/2024; male; fw 4.8mm
All images © Chris Lewis
Page published 18/11/2024 (§1)