Cockroaches (Blattodea, several families)

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A good reference for Cockroaches is the book “A Guide to the Cockroaches of Australia” by David Rentz. https://www.publish.csiro.au/book/6710/

This webpage by the CSIRO is also useful:
http://anic.ento.csiro.au/insectfamilies/order_overview.aspx?OrderID=42509&PageID=overview

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Cockroaches (Blattodea, several families)

Featured sightings

Johnrehnia contraria (Cockroach) at Aranda, ACT - 26 Dec 2023 by NateKingsford

Ectoneura pallidula at Mount Painter - 20 Feb 2024 by CathB

Ellipsidion australe (Austral Ellipsidion cockroach) at Vincentia, NSW - 1 Jan 2024 by RobG1

Ellipsidion australe (Austral Ellipsidion cockroach) at Mount Ainslie - 9 Dec 2023 by Hejor1

Johnrehnia concisa (A native cockroach) at Brunswick Heads, NSW - 3 Oct 2023 by coddiwompler

Anamesia frenchii at Leinster, WA - 29 Aug 2023 by HelenCross

Balta spuria (A Balta Cockroach) at Cook, ACT - 12 Apr 2022 by CathB

Calolampra sp. (genus) (Bark cockroach) at Harrison, ACT - 23 Aug 2023 by AndyRoo

Latest sightings

Blattidae sp. (family) (Unidentified blattid cockroach) at Russell, ACT - 15 Jul 2025 by Hejor1

Panesthia australis (Common wood cockroach) at Weston, ACT - 13 Jul 2025 by Hejor1

Unverified Cockroach (Blattodea, several families) by GlossyGal

Laxta sp. (genus) (Bark cockroach) at Acton, ACT - 20 Jun 2025 by AlisonMilton

Platyzosteria similis (Red-legged litter runner) at Acton, ACT - 20 Jun 2025 by AlisonMilton

Laxta sp. (genus) (Bark cockroach) at Acton, ACT - 20 Jun 2025 by AlisonMilton

Drymaplaneta communis (Eastern Wood Runner, Common Shining Cockroach) by GlossyGal

Drymaplaneta communis (Eastern Wood Runner, Common Shining Cockroach) by GlossyGal

Laxta sp. (genus) (Bark cockroach) at Crowther, NSW - 30 Jun 2025 by Frecko

Platyzosteria melanaria (Common Eastern Litter Runner) at Crowther, NSW - 30 Jun 2025 by Frecko

Laxta sp. (genus) (Bark cockroach) at Crowther, NSW - 27 Jun 2025 by Frecko

Laxta granicollis (Common bark or trilobite cockroach) at Crowther, NSW - 28 Jun 2025 by Frecko

Laxta sp. (genus) at Penrose, NSW - 21 Jun 2025 by Aussiegall

Calolampra sp. (genus) (Bark cockroach) at Michelago, NSW - 21 Jun 2025 by RubyB

Unverified Cockroach (Blattodea, several families) at Belconnen, ACT - 17 Jun 2025 by kasiaaus

Panesthia australis (Common wood cockroach) at Belconnen, ACT - 17 Jun 2025 by kasiaaus

Laxta granicollis (Common bark or trilobite cockroach) at Belconnen, ACT - 17 Jun 2025 by kasiaaus

Laxta sp. (genus) (Bark cockroach) at Belconnen, ACT - 17 Jun 2025 by kasiaaus

Balta sp. (genus) (A cockroach) at Tharwa, ACT - 13 Apr 2025 by ConBoekel

Platyzosteria melanaria at Belconnen, ACT - 17 Jun 2025 by kasiaaus

Laxta granicollis (Common bark or trilobite cockroach) at Crowther, NSW - 17 Sep 2016 by Frecko

Laxta sp. (genus) (Bark cockroach) at Crowther, NSW - 17 Sep 2016 by Frecko

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Discussion

trevorpreston wrote:

16 Jul 2025

Photos are a bit blurry and I cant quite see enough detail to identify species.

Blattidae sp. (family)

HelenCross wrote:

5 Jun 2025

Suggested by @KimberiRP: "possibly genus Anamesia"

Unverified Cockroach (Blattodea, several families)

WendyEM wrote:

23 May 2025

Egg case. Most Blattodea have little interest in invading our houses. They are very happy in the garden, bush, forest ..

Blattodea (order)

trevorpreston wrote:

17 May 2025

Very interesting cockroach. I think it's probably an Ectoneura sp. But I don't have enough info to identify this one to species.

Ectobiidae (family)

trevorpreston wrote:

19 Feb 2025

I think this is Polyzosteria aenea (Pink-tailed heath cockroach) but not 100% sure.

Platyzosteria sp. (genus)

Significant sightings

Recent activity

Blattidae sp. (family) at Russell, ACT

Blattidae sp. (family) at Russell, ACT

Drymaplaneta communis at Emerald, VIC

Drymaplaneta communis at Emerald, VIC

Panesthia australis at Weston, ACT

Panesthia australis at Weston, ACT

Panesthia australis at Weston, ACT

Platyzosteria similis at Acton, ACT

Laxta sp. (genus) at Acton, ACT

Laxta granicollis at Acton, ACT

Species Richness Score (SRS)

154

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