Pioneer or Anaphaeis aurota

The Pioneer, also known as Caper White (Anaphaeis aurota), is a migrant butterfly found in Kerala and throughout India except for Assam and other eastern states.

The upper side of the butterfly is pure white with black apex in the forewings and black outer margins in both wings. There is a hockey stick like spot in the middle of the forewings. On the under side, there are spots in the apex, yellowish in forewings and yellow with black veins in hind wings. Wingspan is 50-60 mm

The Pioneer has another name – Brown -veined White. In certain regions, it tends to fly up to 2800m. Pioneers visit the flowers of Red Gram and Land-Caltrops.

Courtesy: http://birdwingtours.com/