Scaeva pyrastri (Witte halvemaanszweefvlieg (BE) / (No English common name found) / Späte Großstirnschwebfliege (DE) / Syrphe pyrastre (FR) ) is a large distinctive fly from the Syrphidae familiy with three pairs of white commer markings (lunules) on the abdomen. Adults feed on nectar and/or pollen while larvae feed on aphids. It may consume over 500 aphids during its larval stages. So this beautiful species is surely welcome in my garden to control the aphids on my appletree :-)
Image: Wijnegem (BE) - 03/08/2010
© Johan Dierckx
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