Neotemnopteryx sp. (genus)

1 Cockroach at Molonglo Valley, ACT

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Neotemnopteryx sp. (genus) trevorpreston 5 Sep 2023
Neotemnopteryx sp. (genus) trevorpreston 20 Jun 2023
Panesthia australis CarbonAI 8 Jun 2023
Periplaneta americana trevorpreston 8 Jun 2023
Laxta granicollis CarbonAI 11 Apr 2023
Unverified Tapirlord 26 Feb 2023

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10 comments

   9 Jun 2023
I have been looking at this sighting, its unlike any other sightings on CNM. At first I was thinking Periplaneta americana but on looking through Rentz I think it may be a Neotemnopteryx sp. (N.bifurcata or N.fulva). (A Guide to Cockroaches of Australia p231-232. If anyone is willing I would appreciate some feedback on this possible ID. @Illilanga @RogerF @youning @KimberiRP
Cheers,
   9 Jun 2023
What is the exact size. Periplaneta is very large and is domestic.
   10 Jun 2023
I don't know. Maybe @Tapirlord could clarify that. It is reported as 25-50mm, a large range.
   10 Jun 2023
Perhaps Youning can help
   10 Jun 2023
I think we really need a specimen to confirm
   11 Jun 2023
Yeah would have been in the 3-4cm range.
   11 Jun 2023
Thanks for the size update Tapirlord. That's a reasonably large cockroach. A. periplaneta can be 30-50mm. Rentz says of Neotemnopteryx that they are "larger than many other blattellines" which is a bit vague, but I could possibly infer this means over 25 or 30mm?
The more I look at this sighting, and of examples of American cockroach, and of Neotemnopteryx on the internet and in Rentz, the more I think that this specimen doesn't show typical pronotum patterning of A.periplaneta, but does show subtle markings common in Neotemnopteryx, especially some specimens of N.fulva.
I also find it unlikely (but not impossible) that A.periplaneta, which loves basements, sewers and kitchens would be found in the middle of Bluetts block, it is not a cold loving species. Also, there are no reports of this species on ala, although local pest companies do list them as one of the possible pest cockroach species in Canberra. Nevertheless, this is a much more likely habitat for Neotemnopteryx, and the pronotum markings makes me think it is this Genus.
Any thoughts? @RogerF @illilanga @Youning
   20 Jun 2023
When new species are proposed, I think we should check/confirm with Dave Rentz and Youning Su
   21 Jun 2023
@RogerF could you contact them?
The more I compare this sighting with the species in question the more convinced I am, but it would be good to have an expert opinion to confirm.
A sighting on North Coast Nature Map I think is also Neotemnopteryx Neotemnopteryx sp. (genus) (Cockroach)
   21 Jun 2023
Will do

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Location information

Sighting information

  • 1 Abundance
  • 11 Feb 2023 08:49 PM Recorded on
  • Tapirlord Recorded by
  • 25mm to 50mm Animal size

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