73.343 Noctua fimbriata (Broad-bordered Yellow Underwing)
fw: 22-27mm; Jul-Sep; various herbaceous plants; common throughout GB.
ID: Large and stout with a constant and readily recognised pattern. Ground colour varies - male: reddish-brown to olive-green, female: pale brown, pale reddish-brown or light green. Basal and antemedian lines darker than ground colour; pale (anterior) median fascia through whitish-outlined oval; darker (posterior) median fascia through whitish-outlined kidney; whitish postemedian and subterminal lines; pale subterminal fascia with a patch of ground colour in the distal half of its costal end, containing 2 white costal spots; hindwing bright yellow with a broad black subterminal fascia.
All images © Chris Lewis