- First antennal segment tan.
- May be indistinguishable from M. fulgida.
Male abdomen length: 36.0
Male hind wing length: 26.0
Female abdomen length: 32.0
Female hind wing length: 26.0
Local distribution: Eastern lowlands.
Habitat: Forested streams and small rivers.
Species range: Ecuador and Peru
Updated: 4 April 2011