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Posts tagged ‘hover fly’

Bee mimic

Volucella bombylans – male

Volucella bombylans – male

The hover-fly Volucella bombylans, male pictured above, uses Batesian Mimicry to imitate the Red-tailed Bumblebee Bombus Lapidarius. Batesian mimicry is where a palatable or harmless species has evolved to imitate the warning signals of a harmful or inedible species. In this instance a stinging bumblebee. It is named after the English naturalist and explorer Henry Walter Bates (1825-1892).

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The Pellucid hoverfly

Pellucid hoverfly, Volucella pellucens – female

Volucella pellucens – female

Here’s a photo of one of our largest flies, the Pellucid or Large Pied-hoverfly Volucella pellucens that I took back on the 8 July 2012 in Marlborough while I was in the middle of a RiverFly survey on the River Og. Pellucid means transparent or translucent and in this instance refers to the ivory-white band across the abdomen, which if caught in the right light enables you to see through its middle. This and the dark spot on each wing makes this species quite easy to identify in the field.

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