- Thorax brown with two yellow-green antehumeral stripes.
- Abdomen dark with cream band at base of S4-7.
- S8 weakly expanded; S8-9 with red-brown on sides.
- Lower appendage absent.
- Similar to male, but duller.
- S8 not expanded.
Body length: 47.0
Local distribution: Atlantic and Pacific lowlands.
Habitat: Slow-flowing streams and rivers.
Species range in Middle America: Mexico, Guatemala to Panama
Male abdomen length: 35
Female abdomen length: 35
Female hindwing length: 28
Updated: 18 July 2011