Table 1. The list of species of Syrphidae collected during this study.
The number of observations and the number of plant species visited is provided for each species and sex together with mean body length for each species.
| No. of observations | No. of plant species visited | Body length (mm) | Head width (mm) | |||||
|---|---|---|---|---|---|---|---|---|
| Total | Females | Males | Total | Females | Males | |||
| Eristalinae | ||||||||
| Cheilosia proxima | 1 | 0 | 1 | 1 | 0 | 1 | 9.55 | 2.90 |
| Cheilosia ruficollis | 2 | 2 | 0 | 2 | 2 | 0 | 6.84 | 2.30 |
| Chrysogaster basalis | 1 | 1 | 0 | 1 | 1 | 0 | 8.56 | 2.68 |
| Chrysogaster coemiteriorum | 3 | 3 | 0 | 2 | 2 | 0 | 7.95 | 2.86 |
| Chrysogaster solstitialis | 32 | 20 | 12 | 4 | 2 | 3 | 7.39 | 2.39 |
| Eristalinus sepulchralis | 1 | 0 | 1 | 1 | 0 | 1 | 7.46 | 2.97 |
| Eristalis arbustorum | 16 | 5 | 11 | 4 | 2 | 3 | 10.53 | 3.73 |
| Eristalis horticola | 2 | 2 | 0 | 2 | 2 | 0 | 11.90 | 4.53 |
| Eristalis intricaria | 1 | 0 | 1 | 1 | 0 | 1 | 12.33 | 4.42 |
| Eristalis nemorum | 56 | 32 | 24 | 12 | 10 | 8 | 11.90 | 4.12 |
| Eristalis pertinax | 2 | 1 | 1 | 2 | 1 | 1 | 13.98 | 4.52 |
| Eristalis similis | 1 | 0 | 1 | 1 | 0 | 1 | 14.21 | 4.85 |
| Eristalis tenax | 10 | 8 | 2 | 9 | 8 | 2 | 14.52 | 5.30 |
| Helophilus pendulus | 3 | 1 | 2 | 3 | 1 | 2 | 12.12 | 3.96 |
| Myathropa florea | 5 | 3 | 2 | 4 | 2 | 2 | 12.09 | 4.20 |
| Neoascia podagrica | 4 | 4 | 0 | 2 | 2 | 0 | 4.83 | 1.31 |
| Orthonevra nobilis | 2 | 1 | 1 | 1 | 1 | 1 | 5.35 | 1.71 |
| Rhingia campestris | 11 | 4 | 7 | 6 | 3 | 6 | 8.79 | 3.04 |
| Rhingia rostrata | 2 | 0 | 2 | 2 | 0 | 2 | 7.31 | 2.44 |
| Sericomyia bombiformis | 2 | 0 | 2 | 1 | 0 | 1 | 15.55 | 4.99 |
| Sericomyia silentis | 11 | 6 | 5 | 4 | 3 | 3 | 14.75 | 5.10 |
| Sphegina sp | 1 | 1 | 0 | 1 | 1 | 0 | 6.54 | 1.34 |
| Syritta pipiens | 124 | 72 | 52 | 24 | 18 | 16 | 7.86 | 1.97 |
| Volucella bombylans | 4 | 4 | 0 | 2 | 2 | 0 | 13.07 | 4.84 |
| Volucella pellucens | 2 | 2 | 0 | 2 | 2 | 0 | 14.68 | 5.25 |
| Pipizinae | ||||||||
| Heringia pubescens | 1 | 1 | 0 | 1 | 1 | 0 | 5.74 | 2.00 |
| Pipiza noctiluca | 5 | 5 | 0 | 4 | 4 | 0 | 8.94 | 2.51 |
| Pipizella annulata | 4 | 2 | 2 | 3 | 2 | 1 | 6.67 | 2.14 |
| Pipizella viduata | 80 | 39 | 41 | 16 | 9 | 10 | 5.62 | 1.79 |
| Syrphinae | ||||||||
| Chrysotoxum bicinctum | 4 | 3 | 1 | 4 | 3 | 1 | 10.54 | 3.32 |
| Chrysotoxum cautum | 4 | 4 | 0 | 1 | 1 | 0 | 13.41 | 4.48 |
| Chrysotoxum fasciatum | 1 | 1 | 0 | 1 | 1 | 0 | 12.26 | 4.15 |
| Chrysotoxum vernale | 1 | 1 | 0 | 1 | 1 | 0 | 12.77 | 3.93 |
| Chrysotoxum verralli | 1 | 0 | 1 | 1 | 0 | 1 | 11.72 | 3.79 |
| Didea alneti | 4 | 1 | 3 | 2 | 1 | 2 | 12.45 | 3.65 |
| Epistrophe grossulariae | 1 | 0 | 1 | 1 | 0 | 1 | 13.01 | 3.87 |
| Episyrphus balteatus | 194 | 91 | 103 | 29 | 23 | 22 | 9.79 | 2.63 |
| Eupeodes bucculatus | 4 | 1 | 3 | 4 | 1 | 3 | 8.85 | 2.76 |
| Lapposyrphus lapponicus | 68 | 23 | 45 | 22 | 12 | 17 | 10.20 | 3.03 |
| Melanostoma mellinum | 18 | 8 | 10 | 10 | 6 | 7 | 6.74 | 1.82 |
| Melanostoma scalare | 1 | 0 | 1 | 1 | 0 | 1 | 8.26 | 2.02 |
| Meliscaeva cinctella | 1 | 0 | 1 | 1 | 0 | 1 | 9.17 | 2.54 |
| Paragus haemorrhous | 3 | 2 | 1 | 2 | 2 | 1 | 5.46 | 1.71 |
| Parasyrphus lineolus | 4 | 2 | 2 | 3 | 2 | 2 | 9.23 | 2.80 |
| Platycheirus albimanus | 6 | 3 | 3 | 5 | 3 | 3 | 7.19 | 2.11 |
| Scaeva dignota | 2 | 1 | 1 | 2 | 1 | 1 | 12.06 | 3.61 |
| Scaeva pyrastri | 4 | 1 | 3 | 4 | 1 | 3 | 13.09 | 5.37 |
| Scaeva selenitica | 13 | 4 | 9 | 6 | 4 | 3 | 13.75 | 4.11 |
| Sphaerophoria scripta | 236 | 142 | 94 | 47 | 38 | 34 | 8.89 | 2.04 |
| Syrphus ribesii | 32 | 20 | 12 | 13 | 9 | 6 | 11.14 | 3.43 |
| Syrphus torvus | 158 | 70 | 88 | 28 | 21 | 21 | 10.77 | 3.42 |
| Syrphus vitripennis | 44 | 28 | 16 | 16 | 14 | 10 | 10.23 | 3.16 |
| Xanthogramma pedissequum | 1 | 1 | 0 | 1 | 1 | 0 | 12.07 | 3.39 |