Roger Thomason.: Xanthandrus comtus (f) Syrphidae
Roger Thomason.: Xanthandrus comtus (f) Syrphidae
Roger Thomason.: Volucella pellucens (f) - Syrphidae
Roger Thomason.: Helophilus hybridus [m] - Syrphidae.
Roger Thomason.: Melangyna lasiophthalma [f] Syrphidae.
Roger Thomason.: Sericomyia lappona (f) Syrphidae.
Roger Thomason.: Syrphus sp. (m) - Syrphidae.
Roger Thomason.: Eumerus funeralis
Roger Thomason.: Neoascia podagrica / tenur
Roger Thomason.: Cheilosia sp.
Roger Thomason.: Platycheirus granditarsus / Pyrophaena granditarsa - Syrphidae.
Roger Thomason.: Cheilosia sp. - Syrphidae
Roger Thomason.: Cheilosia vernalis-agg.
Roger Thomason.: Cheilosia sp.
Roger Thomason.: Platycheirus rosarum / Pyrophaena rosarum - Syrphidae.
Roger Thomason.: Sphegina sp.
Roger Thomason.: Scaeva pyrastri (female)
Roger Thomason.: Scaeva selenitica (female)
Roger Thomason.: Platycheirus manicatus (female)
Roger Thomason.: Rhingia campestris (male)
Roger Thomason.: Platycheirus manicatus (m)
Roger Thomason.: Scaeva pyrastri (f)
Roger Thomason.: Eupeodes (Eupeodes) corollae
Roger Thomason.: Helophilus pendulus
Roger Thomason.: Rhingia campestris (male)
Roger Thomason.: Eupeodes (Eupeodes) corollae (m)
Roger Thomason.: Syrphus torvus (f)
Roger Thomason.: Scaeva pyrastri (male)
Roger Thomason.: Platycheirus albimanus (female)
Roger Thomason.: Meliscaeva auricollis (m) - Syrphidae.