|
2
|
|
Syrphidae -- Atlantic Provinces : Field Guide to the Flower Flies of Northeastern North America / Jeffrey H. Skevington [and five others]
|
2019
|
1
|
|
3
|
|
Syrphidae -- Great Britain -- Identification : Britain's hoverflies : a field guide / Stuart Ball and Roger Morris
|
2015
|
1
|
|
5
|
|
Syrphidae -- Greece -- Maps : Atlas of the Hoverflies of Greece : (Diptera: Syrphidae)
|
2019
|
1
|
|
6
|
|
Syrphidae -- Ireland -- Identification : Britain's hoverflies : a field guide / Stuart Ball and Roger Morris
|
2015
|
1
|
|
7
|
|
Syrphidae -- North America : Field Guide to the Flower Flies of Northeastern North America / Jeffrey H. Skevington [and five others]
|
2019
|
1
|
|
8
|
|
Syrphidae -- Northeastern States : Field Guide to the Flower Flies of Northeastern North America / Jeffrey H. Skevington [and five others]
|
2019
|
1
|
