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Home Insects Cockroaches (Blattodea, several families)

Laxta sp. (genus)

Bark cockroach at Lyneham, ACT

Laxta sp. (genus) at Lyneham, ACT - 10 Feb 2021
Laxta sp. (genus) at Lyneham, ACT - 10 Feb 2021
Laxta sp. (genus) at Lyneham, ACT - 10 Feb 2021
Laxta sp. (genus) at Lyneham, ACT - 10 Feb 2021
Laxta sp. (genus) at Lyneham, ACT - 10 Feb 2021
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Identification history

Laxta sp. (genus) 17 Feb 2021 Illilanga
Molytria sp. (genus) 10 Feb 2021 trevorpreston
Unidentified 10 Feb 2021 trevorpreston

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User's notes

Under gum tree bark, about 20mm. quite a chunky cockroach, a lot less flat than a Laxta sp, so Im fairly convinced this is not Laxta. Molytria seems like the best match in the CNM cockroach field guide based on the distinctive pattern on the back.

2 comments

Illilanga wrote:
   17 Feb 2021
Thanks for the sighting and great photos. Not Molytria sp. The markings could indicate Laxta friedmani but difficult to be certain. Our CNM field guide for the Molytria sp. had few incorrect photos etc, which I have rectified. For a good set of photos to help show the difference to Laxta sp. go to: https://bie.ala.org.au/species/urn:lsid:biodiversity.org.au:afd.taxon:9b862cdb-f9ce-4e19-bc51-792ea46b7e2c#gallery Cheers, Sandra
   17 Feb 2021
Ah, thanks for that. That will certainly help with the confusion.

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Nearby sightings

Page 1 of 1 - image sightings only 30 0 29

Anas superciliosa (Pacific Black Duck) at Lyneham, ACT - 22 Mar 2023 by Hejor1 Simplicia armatalis (Crescent Moth) at Lyneham, ACT - 22 Mar 2023 by Hejor1 Scopula rubraria (Plantain Moth) at Lyneham, ACT - 22 Mar 2023 by Hejor1 Orcus bilunulatus (Ladybird beetle) at Lyneham, ACT - 22 Mar 2023 by Hejor1 Paropsis atomaria (Eucalyptus leaf beetle) at Lyneham, ACT - 22 Mar 2023 by Hejor1 Sambucus nigra (Elderberry) at Lyneham, ACT - 16 Feb 2023 by trevorpreston Chroicocephalus novaehollandiae (Silver Gull) at Lyneham, ACT - 16 Feb 2023 by trevorpreston Anas gracilis (Grey Teal) at Lyneham, ACT - 16 Feb 2023 by trevorpreston Heteronympha merope (Common Brown) at Lyneham, ACT - 16 Feb 2023 by trevorpreston Persicaria lapathifolia (Pale Knotweed) at Lyneham, ACT - 23 Jan 2023 by trevorpreston Egretta novaehollandiae (White-faced Heron) at Lyneham, ACT - 23 Jan 2023 by trevorpreston Ipheion uniflorum (Spring Star-flower) at Lyneham, ACT - 18 Oct 2022 by Ned_Johnston Papaver dubium (Longhead Poppy) at Lyneham, ACT - 18 Oct 2022 by Ned_Johnston zz agaric (stem; gills white/cream) at Lyneham, ACT - 13 May 2022 by trevorpreston Persicaria decipiens (Slender Knotweed) at Lyneham, ACT - 13 May 2021 by Tapirlord Salvia verbenaca var. verbenaca (Wild Sage) at Lyneham, ACT - 28 Apr 2021 by Ned_Johnston Servaea incana (Hoary Servaea) at Lyneham, ACT - 23 Mar 2021 by tpreston Laxta sp. (genus) (Bark cockroach) at Lyneham, ACT - 9 Feb 2021 by tpreston Persicaria decipiens (Slender Knotweed) at Lyneham, ACT - 17 Dec 2020 by tpreston Salvia verbenaca var. verbenaca (Wild Sage) at Lyneham, ACT - 10 Nov 2020 by tpreston Rumex crispus (Curled Dock) at Lyneham, ACT - 23 Oct 2020 by tpreston Scleroderma sp. (Scleroderma) at Lyneham, ACT - 5 Mar 2020 by tpreston Nothoscordum borbonicum (Onion Weed) at Lyneham, ACT - 3 Mar 2020 by tpreston Anas gracilis (Grey Teal) at Lyneham, ACT - 15 Jul 2018 by AlisonMilton Grallina cyanoleuca (Magpie-lark) at Lyneham, ACT - 15 Jul 2018 by Alison Milton Junonia villida (Meadow Argus) at Lyneham, ACT - 14 Apr 2018 by jbromilow50 Gallinula tenebrosa (Dusky Moorhen) at Lyneham, ACT - 14 Apr 2018 by jbromilow50 Grallina cyanoleuca (Magpie-lark) at Lyneham, ACT - 10 Apr 2018 by jbromilow50 Cacatua sanguinea (Little Corella) at Lyneham, ACT - 10 Apr 2018 by jbromilow50
Anas superciliosa (Pacific Black Duck) at Lyneham, ACT - 22 Mar 2023 by Hejor1
Simplicia armatalis (Crescent Moth) at Lyneham, ACT - 22 Mar 2023 by Hejor1
Scopula rubraria (Plantain Moth) at Lyneham, ACT - 22 Mar 2023 by Hejor1
Orcus bilunulatus (Ladybird beetle) at Lyneham, ACT - 22 Mar 2023 by Hejor1
Paropsis atomaria (Eucalyptus leaf beetle) at Lyneham, ACT - 22 Mar 2023 by Hejor1
Sambucus nigra (Elderberry) at Lyneham, ACT - 16 Feb 2023 by trevorpreston
Chroicocephalus novaehollandiae (Silver Gull) at Lyneham, ACT - 16 Feb 2023 by trevorpreston
Anas gracilis (Grey Teal) at Lyneham, ACT - 16 Feb 2023 by trevorpreston
Heteronympha merope (Common Brown) at Lyneham, ACT - 16 Feb 2023 by trevorpreston
Persicaria lapathifolia (Pale Knotweed) at Lyneham, ACT - 23 Jan 2023 by trevorpreston
Egretta novaehollandiae (White-faced Heron) at Lyneham, ACT - 23 Jan 2023 by trevorpreston
Ipheion uniflorum (Spring Star-flower) at Lyneham, ACT - 18 Oct 2022 by Ned_Johnston
Papaver dubium (Longhead Poppy) at Lyneham, ACT - 18 Oct 2022 by Ned_Johnston
zz agaric (stem; gills white/cream) at Lyneham, ACT - 13 May 2022 by trevorpreston
Persicaria decipiens (Slender Knotweed) at Lyneham, ACT - 13 May 2021 by Tapirlord
Salvia verbenaca var. verbenaca (Wild Sage) at Lyneham, ACT - 28 Apr 2021 by Ned_Johnston
Servaea incana (Hoary Servaea) at Lyneham, ACT - 23 Mar 2021 by tpreston
Laxta sp. (genus) (Bark cockroach) at Lyneham, ACT - 9 Feb 2021 by tpreston
Persicaria decipiens (Slender Knotweed) at Lyneham, ACT - 17 Dec 2020 by tpreston
Salvia verbenaca var. verbenaca (Wild Sage) at Lyneham, ACT - 10 Nov 2020 by tpreston
Rumex crispus (Curled Dock) at Lyneham, ACT - 23 Oct 2020 by tpreston
Scleroderma sp. (Scleroderma) at Lyneham, ACT - 5 Mar 2020 by tpreston
Nothoscordum borbonicum (Onion Weed) at Lyneham, ACT - 3 Mar 2020 by tpreston
Anas gracilis (Grey Teal) at Lyneham, ACT - 15 Jul 2018 by AlisonMilton
Grallina cyanoleuca (Magpie-lark) at Lyneham, ACT - 15 Jul 2018 by Alison Milton
Junonia villida (Meadow Argus) at Lyneham, ACT - 14 Apr 2018 by jbromilow50
Gallinula tenebrosa (Dusky Moorhen) at Lyneham, ACT - 14 Apr 2018 by jbromilow50
Grallina cyanoleuca (Magpie-lark) at Lyneham, ACT - 10 Apr 2018 by jbromilow50
Cacatua sanguinea (Little Corella) at Lyneham, ACT - 10 Apr 2018 by jbromilow50

Location information

Species information

  • Laxta sp. (genus) Scientific name
  • Bark cockroach Common name
  • Not Sensitive
  • Local Native
  • Non-Invasive

Sighting information

Additional information

  • Gum tree Associated plant
  • 12mm to 25mm Animal size

Record quality

  • Overall Fit for scientific/research use
  • Images or audio
  • More than one media file
  • Confirmed by an expert moderator
  • Nearby sighting(s) of same species
  • GPS evidence of location
  • Description
  • Additional attributes
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