
Megalagrion nigrohamatum
Blackline Hawaiian Damselfly
As recorded: Megalagrion nigrohamatum nigrolineatum (Perkins, 1899)
Animalia › Arthropoda › Insecta › Odonata › Coenagrionidae
- Collected by
- Polhemus, D.A.
- Date
- August 17, 1995
- Locality
- upper Kahana Stream at Intake 7
- Identified by
- Polhemus, D.A.
- Record type
- Preserved specimen
Collected the same day
On August 17, 1995, Polhemus, D.A. also collected 10 other specimens.
Megalagrion nigrohamatum observed alive
This specimen was collected in 1995. Since 2000, iNaturalist observers have recorded 13 research-grade sightings in the wild, most recently on 2025-10-20.

2025-10-20
Hawaii, US
(c) jordan loftin, some rights reserved (CC BY-NC)

2025-09-07
Hawaii, US
no rights reserved

2025-09-07
Hawaii, US
no rights reserved

2025-09-07
Hawaii, US
no rights reserved

2024-12-18
Hawaii, US
no rights reserved

2024-11-09
Hawaii, US
no rights reserved
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Megalagrion nigrohamatum. BPBM 24140. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 37527159. Accessed via explore.bishopmuseum.org/specimens/ent/24140.
Record sources
- GBIF occurrence 37527159 ↗
- Data license: CC0
- Last harvested October 26, 2026
Data-quality notes from GBIF
- Coordinates recorded as 0, 0
Spot an error? Let the Entomology department know — corrections flow back to GBIF.
