This specimen has not been photographed yet.
Hylaeus difficilis
Difficult Masked Bee
As recorded: Hylaeus difficilis (Perkins, 1899)
Animalia › Arthropoda › Insecta › Hymenoptera › Colletidae
- Collected by
- O. H. Swezey
- Date
- October 10, 1929
- Locality
- Kilauea
- Record type
- Preserved specimen
Collected the same day
On October 10, 1929, O. H. Swezey also collected 22 other specimens.
Hylaeus difficilis observed alive
This specimen was collected in 1929. Since 2000, iNaturalist observers have recorded 21 research-grade sightings in the wild, most recently on 2024-07-31.

2024-07-31
Hawaii County, US-HI, US
(c) James Bailey, some rights reserved (CC BY-NC)

2024-07-31
Hawaii County, US-HI, US
(c) James Bailey, some rights reserved (CC BY-NC)

2020-01-13
Hawaii County, US-HI, US
(c) Abby Davis, some rights reserved (CC BY-NC)

2019-02-17
Hawaii County, US-HI, US
no rights reserved

2019-02-17
Hawaii County, US-HI, US
no rights reserved

2019-02-17
Hawaii County, US-HI, US
no rights reserved
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Hylaeus difficilis. BPBM 4903. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 37223137. Accessed via explore.bishopmuseum.org/specimens/ent/4903.
Record sources
- GBIF occurrence 37223137 ↗
- 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.
