Chalcosyrphus nemorum |
Nederlands | : | Korte bladloper |
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Amstelveen, the Netherlands; 29 - 30 April 2009. |
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Fagne de Brackvenn, Belgium; 12 July 2013. |
Chalcosyrphus piger |
Nederlands | : | Roodpuntbladloper |
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Duin en Kruidberg (Noord-Holland), the Netherlands; 28 May 2016. |
Chalcosyrphus valgus |
Nederlands | : | Kleine rooddij-bladloper |
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Fagne de Brackvenn, Belgium; 14 - 20 July 2013. |
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Fagne de Brackvenn, Belgium; 30 May 2014. |