Entoma
Sun fly, Helophilus pendulus, plate

Hoverflies

Helophilus pendulus

Sun fly

Its bold black and yellow striped abdomen has earned it the nickname 'the footballer' among naturalists.

WherePond edges, ditches, gardens and hedgerows
Size9 to 13 mm body length
WhenApril to October

A medium-sized hoverfly with black and yellow stripes running lengthwise on the thorax and a grey, black and yellow patterned abdomen; the hind legs are orange for most of their length.

Larvae are 'rat-tailed maggots' that live in muddy water, wet compost or manure, breathing through a long extendable tail tube.

Traits

Habitat

Wetland

Colour

Black, Yellow, Grey

Active

Day

To people

Harmless fly; cannot bite or sting

Activity through the year

Often confused with

Trivittate marsh flyOpen entry ›
Helophilus trivittatus

Large tiger hoverfly is bigger and paler, with the hind tibiae almost entirely orange, whereas the sun fly's hind tibiae are orange only on the basal two-thirds.

Questions

Is the Sun fly dangerous to people?

Harmless fly; cannot bite or sting.

When can you see the Sun fly?

The Sun fly can be seen from April to October, by day.

Plate retouched from a photo by Michael Garlick, CC BY‑SA 2.0, 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›Helophilus

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