Thorax with two luteous bands in front, and with a luteous spot hindward.
Wings grey, luteous at the base, blackish towards the tips; veins black, robust.
Abdomen with a luteous band on the hind border of each segment.
The stem is equal or slightly enlarged above, stuffed, luteous, minutely scaly.
"orange-yellow," 1650s, from Latin luteus "golden-yellow, orange-yellow," from lutum, the name of a plant used in dying yellow, of unknown origin.