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#3895 · 🪰 flies & mosquitoes

Ragwort Fly

🇳🇱 Gebandeerde kruiskruidboorvlieg ·Sphenella marginata

🪰 Flies & mosquitoes 📍 in the Netherlands
Ragwort Fly, photo 1 of 10
1/10 © Kentish Plumber · CC BY-NC-ND 4.0

what is it?

Sphenella marginata is a species of fly in the family Tephritidae, the gall flies. It is found in the Palearctic . The larvae feed on Senecio vulgaris .

base stats

  • NL sightings 37iNaturalist, research grade
  • worldwide 554iNaturalist observations

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

  • Spotted 37 times in the Netherlands on iNaturalist.
  • 554 observations worldwide on iNaturalist.
  • Scientifically named by Carl Fredrik Fallén in 1814 (212 years ago).

fact sheet

English
Ragwort Fly
Nederlands
Gebandeerde kruiskruidboorvlieg
scientific name
Sphenella marginata
class
Insecta
order
Diptera
family
Tephritidae
sightings in NL
37
sightings in Europe
402
sightings worldwide
554
GBIF records in NL
1,707
weight
—
length
—
lifespan
—
named
1814 by Carl Fredrik Fallén

relatives· Tephritidae

Sources: iNaturalist taxon 466765, Wikidata Q14411439, GBIF 1625450, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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