Episyrphus

Episyrphus_animrot_090718_1656_small 

Episyrphus balteatus disturbed  landing behaviour

Episyrphus balteatus hoverflies may sometimes follow an oscillating flower. This behaviour is excited by moving the flower when the hoverfly is in the process of landing. The hoverfly is following the flower with a delay of the order of 100 ms.

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