Lower appendage very short
Habitat: Small to medium clear streams in forest.
Local distribution: Atlantic slope at 1100-1600 m (Penas Blancas); Pacific slope at 1100-1600 m (San Luis).
Species range: Cost Rica
Comments: Overlaps broadly with H. cruentata, but prefers more forested rivers and streams.
Phenology: A: 3-4, 8, 10; P: 3-7, 11