Crimson-patched Longwing,  Synchloe janalis ?   (LEP114)

 

     Frequently placed in the family Heliconidae to distinguish them from brush-footed butterflies, the longwings live in the American tropics and feed on passion flowers.  This species is sometimes found in Texas, here shown feeding on lantana.  It is jet black, the forewings have crimson patches, the hindwings a yellow streak along the top.