Sean Crane / Diasia Clearwing (Ithomia diasia) butterfly, El Valle, Panama

Doug Wechsler / Butterfly (Aeria sp) feeding on flower nectar, Province Loja, Jorupe Biological Reserve, Ecuador, January

James Christensen / Nymphalid Butterfly (Ithomia sp) feeding on flower, Mindo, Ecuador

PREMAPHOTOS / Blue transparent butterfly (right) (Ithomia pellucida) and Sweet oil butterfly (Mechanitis isthmia kayei) feeding from a bird-dropping in rainforest, Trinidad

PREMAPHOTOS / Blue transparent butterfly (Ithomia pellucida) feeding from a small bird-dropping in rainforest, Trinidad

Kim Taylor / Glasswing Butterfly {Ithomia pellucida} resting on flower, Trinidad, West Indies.

Robin Chittenden / Agnosia clearwing (Ithomia agnosia pellucida) Trinidad and Tobago.

Doug Wechsler / Butterflies (Ithomia pseudoagalla) on flower, Buenaventura Reserve, Ecuador.