Entoma
Marmalade hover fly, Episyrphus balteatus, plate

Hoverflies

Episyrphus balteatus

Marmalade hover fly

Huge numbers migrate across the English Channel each year, sometimes forming visible clouds that drift along the coast.

WhereGardens, parks, sunny woodland edges
Size9 to 12 mm body length
WhenMarch to November

The abdomen carries alternating broad and narrow black bands on an orange background, with faint grey stripes on the thorax.

It breeds continuously through the warmer months and its larvae feed on aphids, making it a useful pest predator in gardens.

Traits

Habitat

Garden

Colour

Orange, Black

Active

Day

To people

Harmless

Activity through the year

Often confused with

Common flower flyOpen entry ›
Syrphus ribesii

Syrphus ribesii has plain, even black abdominal bands, lacking the marmalade hoverfly's alternating broad and narrow bands.

Questions

Is the Marmalade hover fly dangerous to people?

The Marmalade hover fly is harmless to people.

When can you see the Marmalade hover fly?

The Marmalade hover fly can be seen from March to November, by day.

Plate retouched from a photo by fowels, CC BY‑SA 4.0, Wikimedia Commons Licence

The plate on this page is shared under the same licence as its source, CC BY-SA.

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Flies›Hoverflies›Episyrphus

Last updated 2026-09-26. Every entry is checked against published sources.