Reference
| Title | Preliminary checklist of the bees of St. Eustatius, Lesser Antilles (Hymenoptera: Apoidea Anthophila) | 
| Type | Article | 
| Authors(s) | Bush, S.P. & Madden, H. | 
| Year | 2013 | 
| Periodical | Insecta Mundi | 
| Volume (issue) | 298 | 
| Pages | 1-3 | 
| Title | Preliminary checklist of the bees of St. Eustatius, Lesser Antilles (Hymenoptera: Apoidea Anthophila) | 
| Type | Article | 
| Authors(s) | Bush, S.P. & Madden, H. | 
| Year | 2013 | 
| Periodical | Insecta Mundi | 
| Volume (issue) | 298 | 
| Pages | 1-3 |