Tapeigaster annulipes

3 heteromyzid fly at Braemar, NSW

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Identification history

	Tapeigaster annulipes	15 May 2025	Curiosity
	Tapeigaster annulipes	15 May 2025	Curiosity

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User's notes

I first noticed the small flies on fungi on 09/05/2025. The fungi (uploaded separately) are growing at & on the base of the eucalypt. Early on, flies appeared singly on separate caps on separate clumps of fungi. Then on the 12th, fighting began between a pair of flies. They had several goes at each other before I was able to photograph the fight shown here. The images are in sequence.

2 comments

Span102 wrote:

16 May 2025

Love seeing the behaviour! Territoriality at such a small scale!

Curiosity wrote:

16 May 2025

Thanks, Span102. I was excited to be able to record the behaviour! If you would like to see more images of these flies fighting, have a look at sightings 4434157 & 3391252 on CNM. When looking for an ID, these sightings alerted me to the flies' tendency to fight for possession of fungal caps!

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Location information

Coordinates 150.474918 -34.433726
Maps Braemar Wingecarribee Local Government Area
Places Braemar, NSW

Sighting information

2 Abundance
13 May 2025 09:37 AM Recorded on
Curiosity Recorded by
Collections
Curiosity NatureMapr Southern Highlands Other true flies True flies (Diptera) Insects

Additional information

fungi Associated plant
pair of flies fighting with each other Associated animal
5mm to 12mm Animal size

Species information

Tapeigaster annulipes Scientific name
heteromyzid fly Common name
Not Sensitive
Local native
Non-invasive or negligible
Up to 716m Recorded at altitude
Machine learning
External link More information

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