Gwiddonyn cotwm
| Gwiddonyn cotwm | |
|---|---|
| |
| Dosbarthiad gwyddonol | |
| Teyrnas: | Animalia |
| Ffylwm: | Arthropoda |
| Dosbarth: | |
| Urdd: | Coleoptera |
| Teulu: | Curculionidae |
| Genws: | Anthonomus |
| Rhywogaeth: | A. grandis |
| Enw deuenwol | |
| Anthonomus grandis Boheman, 1843 | |
Gwiddonyn yw'r gwiddonyn cotwm (Anthonomus grandis) sy'n bla ar gnydau cotwm.
Darllen pellach
[golygu | golygu cod]- Lange, Fabian, Alan L. Olmstead, a Paul W. Rhode, “The Impact of the Boll Weevil, 1892–1932,” Journal of Economic History, 69 (Medi 2009), 685–718.
