Black Swallowtail on Mexican Sunflower (Tithonia).
Imagen adjunta: A mostly black butterfly is feeding on a bright orange, upward-facing flower. The butterfly has its wings about one-third open to form a sharp "V." The butterfly has rows of markings on the back edge of the wings: two rows of yellow with a partial row of blue in between.
A mostly black butterfly is feeding on a bright orange, upward-facing flower. The butterfly has its wings about one-third open to form a sharp "V." The butterfly has rows of markings on the back edge of the wings: two rows of yellow with a partial row of blue in between.
