Bibliography
Source: Catalogue of Life
3 results
Smith, Frederick. 1853. Catalogue of hymenopterous insects in the collection of the British Museum. Printed by order of the Trustees , London. Vol. 1, No. 1: 1-197, 6 pls. |
Michener, Charles D. (2007). The Bees of the World, Second Edition. |
Michener, Charles D. (2000). The Bees of the World. |
Citation
Ptilothrix Smith, 1853 in undefined