| Seasons in the Netherlands |
| Autumn 2006 |
| Mellinus arvensis | ||
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Amstelveen, 8 & 29 October. All at flowering Ivy (Hedera helix). Prey fly is Pollenia spec. |
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| Episyrphus balteatus | ||
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Amstelveen, 24 September. Female at Sow thistle (Sonchus spec). Notice the eggs shining through translucent membrane. |
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| Eristalis tenax | |
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Amstelveen, 24 September. At flowering Ivy (Hedera helix). |
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| Helophilus pendulus | Helophilus trivittatus |
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Amstelveen, 24 September. At flowering Ivy (Hedera helix). |
Amstelveen, 13 September. At flowering Brassica spec. |
| Volucella zonaria | |
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Amstelveen, 24 September. Male at flowering Ivy (Hedera helix). |
Amstelveen, 11 October. Female at flowering Ivy (Hedera helix). |