Identification: Wide white transverse lines are straight and often have white shading.
Forewing outer margin is less convex and appear more pointed than N. iridaria.
Forewing ventral (underside) postmedial line is usually double. (single in N. iridaria).
Forewing veins beyond the postmedial are usually streaked with white; much less so in N. iridaria.
Wing Span: 1.3-1.85 cm
Caterpillar Hosts: Rhus L. (sumac).
Range: Southern Arizona(3) to Mexico, and Central America.