Hylaeus (Gnathylaeus) williamsi | (Bridwell, 1919) |
Classification
| Subgenus: | Gnathylaeus |
| genus: | Hylaeus |
| Subfamily: | Hylaeinae |
| Family: | Colletidae |

Hylaeus (Gnathylaeus) williamsi | (Bridwell, 1919) |
| Subgenus: | Gnathylaeus |
| genus: | Hylaeus |
| Subfamily: | Hylaeinae |
| Family: | Colletidae |