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Sticker of Black-horned smoothtail
Bug card No. 0469 of 4,939

Black-horned smoothtail

Epistrophe grossulariae

The black-horned smoothtail is a hoverfly with yellow and black stripes on its body. It looks a bit like a wasp, but it is a gentle fly. It likes woods near rivers and streams, where it visits flowers in the sunshine.

Lives in
Europe, Asia and North America, in woods near streams
Top speed
about 14 km/h (8.7 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It looks like a wasp, but hoverflies have no sting.
What does it eat?
The grown-up fly visits flowers such as thistles, elder and raspberry flowers. Its larva is a hunter that eats aphids.
For real!Photo of Black-horned smoothtail
Picture by James K. Lindsey. CC BY-SA 3.0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

Its larva eats aphids, so it helps keep plants free of those little pests.

2

It lives in a huge area, from Ireland across Russia to Kamchatka, and in North America from Alaska to California.

3

Each wing is about 9 to 12 mm long.

4

It flies from the end of June to September.

you asked

Most asked questions about Black-horned smoothtail

?Can the black-horned smoothtail sting?

No. Its yellow and black stripes only make it look like a wasp. It has no sting.

?What does the black-horned smoothtail eat?

The adult visits flowers. The larva eats aphids.

For bug experts

Scientific name
Epistrophe grossulariae
Group
Flies and mosquitoes
Family
Syrphidae
Classification
Insecta > Diptera > Syrphidae
Lives on
Europe, Asia, North America

Where the facts come from

  1. Epistrophe grossulariae (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
  2. Picture by James K. Lindsey. CC BY-SA 3.0, Wikimedia Commons. The sticker of this bug is drawn from this picture.

If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at [email protected] and we will fix it.

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More from the same group: Flies and mosquitoes

Also at home here: Forests and woods

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