Euribia solstitialis

Nodding Thistle Gall Fly at Murrumbateman, NSW

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Identification history

Euribia solstitialis	31 Jan 2023	MichaelMulvaney
Euribia solstitialis	31 Jan 2023	KimberiRP
Unverified	26 Jan 2023	SimoneC

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User's notes

Definitely a fly but I can’t find a good match

2 comments

KimberiRP wrote:

31 Jan 2023

Euribia solstitialis (previously Urophora solstitialis) is a biocontrol agent introduced to help control Nodding Thistle. It is in the family Tephritidae (Fruit flies) and is commonly called the Nodding Thistle Gall Fly.

SimoneC wrote:

31 Jan 2023

Thanks Kim, I did have a couple of big thistles in some hard to get to areas. It’s great to see another biocontrol agent on the loose in Murrumbateman

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Location information

Coordinates 149.051000 -34.977667
Altitude 652.0m
Places Murrumbateman, NSW

Sighting information

1 Abundance
26 Jan 2023 05:37 PM Recorded on
SimoneC Recorded by
Collections
Insects Other true flies True flies (Diptera) SimoneC Canberra & Southern Tablelands NatureMapr

Additional information

5mm to 12mm Animal size
Feeding on nectar or pollen Insect behaviour on flower
True Insect on a flower

Species information

Euribia solstitialis Scientific name
Nodding Thistle Gall Fly Common name
Not Sensitive
Exotic
Non-invasive or negligible
Up to 760m Recorded at altitude
Machine learning
External link More information
Synonyms
Urophora solstitialis

Record quality

Images or audio
More than one media file
Verified by an expert moderator
Nearby sighting(s) of same species
GPS evidence of location
Description
Additional attributes

Australian Capital Territory

New South Wales

Queensland

Northern Territory

Western Australia

South Australia

Victoria

Tasmania