Pink hind wing.
Part of a huge swarm.
Is colonizing Pithecellobium dulce.
Makes extensive sticky white "housing".
Location: Saint-Louis, Senegal
Could this be Larus ridibundus?
Woody plant. About 1 m tall but still growing. Bark is dark burgundy to purple (a darker shade of the flower's colour). Seeds sit in a spiky dull yellow pod.
Location: St.-Louis, Senegal