The common grass yellow exhibits seasonal polyphenism. The lepidopteran has a darker summer morph, triggered by a long day exceeding 13 hours in duration, while the shorter diurnal period of 12 hours or less induces a fairer morph in the post-monsoon period

  • Dimensions : 3748 x 2499 pixels
  • Device : Canon EOS 200D
  • Focal length : 250.00 mm
  • Aperture : f/5.6
  • ISO : 100
  • Flash : No Flash
  • Exposure Time : 1/160 s
Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.