Furry Dronefly

Eristalis intricaria

Eristalis intricaria, sometimes called the furry dronefly, is a European species of hoverfly. It is a furry bee mimic, superficially resembling Merodon, though Merodon have all black leg tibiae, as opposed to partly yellow. E. intricaria is somewhat variable in colour pattern, and some attempts at naming varieties have been tentatively made. Flight time of adults in the UK are from March to September. It is generally widespread, but is seldom seen in large numbers. Habitat is woodland or marshland. Source

Where it is now

In the last 8 weeks this insect was recorded 19 times across 3 areas (each area is a 5 degree square).

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Movement and weather

Over the weeks it was present in the past year, its centre in Europe ranged from 52°N in March to 62°N in September, about 1,000 km apart.

Arrival dates

The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.

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Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.