| Flies in March & April |
| Eristalis tenax |
| Authority | : | (Linnaeus, 1758) |
| Nederlands | : | Blinde bij |
| English | : | common drone fly |
| Deutsch | : | Mistbiene |
| Norsk | : | stor droneflue |
| Svenska | : | storslamfluga |
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| Amstelveen; 7 March 2009. |
| Episyrphus balteatus |
| Authority | : | (De Geer, 1776) |
| Nederlands | : | Snorzweefvlieg |
| English | : | marmalade hoverfly |
| Deutsch | : | Winterschwebfliege |
| Norsk | : | dobbelbåndet blomsterflue |
| Svenska | : | flyttblomfluga |
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| Amstelveen; 7 March 2009. |
| Eristalis tenax |
| Authority | : | (Linnaeus, 1758) |
| Nederlands | : | Blinde bij |
| English | : | common drone fly |
| Deutsch | : | Mistbiene |
| Norsk | : | stor droneflue |
| Svenska | : | storslamfluga |
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| Amstelveen; 21 March 2009. Feeding at Coltsfood (Tussilago farfara). |
| Pollenia spec. |
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| Amstelveen; 21 March 2009. Feeding at Willow catkins (Salix spec.). |
|
Platycheirus albimanus |
| Authority | : | (Fabricius, 1781) |
| Nederlands | : | Micaplatvoetje |
| Deutsch | : | Graue Breitfußschwebfliege |
| Norsk | : | hvitfotblomsterflue |
| Svenska | : | silverfotblomfluga |
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| Amstelveen; 22 March 2009. |
|
Cheilosia pagana |
| Authority | : | (Meigen, 1822) |
| Nederlands | : | Kervelgitje |
| Deutsch | : | Kleine Erzschwebfliege |
| Norsk | : | hundekjeksflue |
| Svenska | : | hundkäxblomfluga |
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| Amstelveen; 22 March 2009. |
| Eudasyphora cf. cyanella |
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| Amstelveen; 31 March 2009. | |
| Musca autumnalis |
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| Amstelveen; 31 March 2009. Feeding at Willow catkins (Salix spec.). | |
| Syrphus spec. |
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| Amstelveen; 1 April 2009. Male feeding at Lesser celandine (Ranunculus ficaria). |
| Cyzenis albicans |
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| Amstelveen; 1 April 2009. | |
| Bombylius major |
| Authority | : | Linnaeus 1758 |
| Nederlands | : | Gewone wolzwever |
| English | : | large bee-fly, dark-edged bee-fly |
| Deutsch | : | Große Wollschweber |
| Svenska | : | Stor svävfluga |
| Français | : | grand bombyle |
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| Amsterdamse bos; 3 April 2009. top row, feeding at Willow catkins (Salix spec.) bottom left, feeding at Sloe (Prunus spinosa). |
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| Cynomya mortuorum |
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| Amstelveen; 13 April 2009. |
| Eristalis intricaria |
| Authority | : | (Linnaeus, 1758) |
| Nederlands | : | Hommelbijvlieg |
| Deutsch | : | Hummel-Keilfleckschwebfliege |
| Norsk | : | svartskjeggdroneflue |
| Svenska | : | mörk slamfluga |
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| Amstelveen; 13 April 2009. |
| Epistrophe eligans |
| Authority | : | (Harris, 1780) |
| Nederlands | : | Enkele-bandzweefvlieg |
| Deutsch | : | Zweiband-Wiesenschwebfliege |
| Norsk | : | elegant skogbrynflue |
| Svenska | : | elegant brynblomfluga |
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| Amstelveen; 13 April 2009. |
| Phaonia fuscata |
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| Amsterdamse bos; 13 April 2009. |
| Phaonia cf. errans |
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| Amsterdamse bos; 13 April 2009. |
| Phorocera assimilis |
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| Amsterdamse bos; 13 April 2009. |
| Argyra spec. |
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| Amstelveen; 18 April 2009. |
| Musca autumnalis |
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| Amstelveen; 18 April 2009. |
| Helophilus pendulus |
| Authority | : | (Linnaeus, 1758) |
| Nederlands | : | Gewone pendelvlieg |
| Deutsch | : | Gemeine Sumpfschwebfliege |
| Norsk | : | vanlig solflue |
| Svenska | : | pendelblomfluga |
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| Amstelveen; 18 April 2009. |
| Epistrophe eligans |
| Authority | : | (Harris, 1780) |
| Nederlands | : | Enkele-bandzweefvlieg |
| Deutsch | : | Zweiband-Wiesenschwebfliege |
| Norsk | : | elegant skogbrynflue |
| Svenska | : | elegant brynblomfluga |
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| Amstelveen; 18 April 2009. |
| Dasysyrphus tricinctus |
| Authority | : | (Fallén, 1817) |
| Nederlands | : | Geelband-wimperzweefvlieg |
| Deutsch | : | Breitband-Waldschwebfliege |
| Norsk | : | trebåndet skogblomsterflue |
| Svenska | : | trebandad skogsblomfluga |
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| Amsterdamse Waterleidingduinen; 19 April 2009. |
| Scaeva selenitica |
| Authority | : | (Meigen, 1822) |
| Nederlands | : | Gele halvemaanzweefvlieg |
| Deutsch | : | Frühe Großstirnschwebfliege |
| Norsk | : | gul glassvingeblomsterflue |
| Svenska | : | glasvingeblomfluga |
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| Amsterdamse Waterleidingduinen; 19 April 2009. |
| Gonia spec. |
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| Amsterdamse Waterleidingduinen; 19 April 2009. | ||
| Cheilosia semifasciata |
| Authority | : | (Becker, 1894) |
| Nederlands | : | Vetplantgitje |
| Norsk | : | bergknappflue |
| Svenska | : | fetbladblomfluga |
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| Amstelveen; 21 April 2009. | |
| Bellardia spec. |
| English | : | emerald-bottles |
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| Amstelveen; 25 April 2009. |
| Fannia lustrator |
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| Amstelveen; 27 April 2009. Left, male; right, female. | |
| Calliphora vicina |
| English | : | common bluebottle |
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| Amstelveen; 27 April 2009. |
| Azelia spec. |
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| Amstelveen; 27 April 2009. |
| Helophilus pendulus |
| Authority | : | (Linnaeus, 1758) |
| Nederlands | : | Gewone pendelvlieg |
| Deutsch | : | Gemeine Sumpfschwebfliege |
| Norsk | : | vanlig solflue |
| Svenska | : | pendelblomfluga |
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| Amstelveen; 27 April 2009. |
| Pipizella spec. |
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| Amstelveen; 29 April 2009. |
| Chrysogaster spec. |
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| Amstelveen; 29 April 2009. |
| Anasimyia transfuga |
| Authority | : | (Linnaeus, 1758) |
| Nederlands | : | Rechte waterzweefvlieg |
| Norsk | : | krokflekket damblomsterflue |
| Svenska | : | jämnbred dammblomfluga |
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| Amstelveen; 29 April 2009. |
| Euleia heraclei |
| Nederlands | : | grote schermbloemboorvlieg, selderijvlieg |
| English | : | celery fly |
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| Amstelveen; 29 April 2009. |
| Chalcosyrphus nemorum |
| Authority | : | (Fabricius, 1805) |
| Nederlands | : | Korte bladloper |
| Norsk | : | flekket råtevedblomsterflue |
| Svenska | : | fläckig mulmblomfluga |
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| Amstelveen; 30 April 2009. |