Yerrabi Pond

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Discussion

Hejor1 wrote:

7 May 2025

@JonLewis awesome! I posted it on Reddit and credit goes to u/Biophiloa_curiosus who made the ID in r/Entomology.

Microdon (genus)

JonLewis wrote:

6 May 2025

@Hejor1 @MichaelMulvaney
This is a very interesting sighting. I knew nothing about this genus of hover flies and certainly had no idea that they are ant parasites. From a quick search it looks like there is not much information on the host ants, which here I would guess are Technomyrmex. When I get back in the office (some weeks away) I’ll do a bit more research. How did you know they were Microdon pupal cases Hejor?

Microdon (genus)

MichaelMulvaney wrote:

5 May 2025

Yes Heather very much looks liek it and helps with some other sightings that I didn't have a clue what they where - will wait Jon's views

Microdon (genus)

Hejor1 wrote:

4 May 2025

@MichaelMulvaney and @JonLewis do you think this could be Microdon pupal cases which the ants seem to be hanging around or repurposing? Multiple cases had larvae in them which were carried away when I peeled the bark back.
https://www.antwiki.org/wiki/Microdon#/media/File%3AMicrodon_(Syrphidae)_empty_pupal_case%2C_Cape_Otway%2C_Victoria%2C_Australia_(Nick_Porch).jpg

Microdon (genus)

PeterA wrote:

16 Feb 2025

MB thinks this is probably Hyphesma atromicans, but too blurry to be sure.

Euryglossinae (subfamily)