Martin C. D. Speight
Foreword by 1
 | Hoverflies of Northwest Europe: Identification Keys to the Syrphidae | Monograph |
Technical Advisor 1
| Hoverflies of Northwest Europe: Identification Keys to the Syrphidae | Monograph |
Added by Trepas
| Hoverflies of Northwest Europe: Identification Keys to the Syrphidae | Monograph |
| Hoverflies of Northwest Europe: Identification Keys to the Syrphidae | Monograph |