ACT NSW ACT Government :: Queanbeyan-Palerang Regional Council :: Australian Native Plants Society (ANPS) Canberra Region :: Gearys Gap/Wamboin Landcare Group
Home Insects Cockroaches (Blattodea, several families)

Platyzosteria similis

Red-legged litter runner at Coree, ACT

Platyzosteria similis at Coree, ACT - 4 Aug 2018
Platyzosteria similis at Coree, ACT - 4 Aug 2018
Platyzosteria similis at Coree, ACT - 4 Aug 2018
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Identification history

Platyzosteria similis 13 Aug 2018 Illilanga
Platyzosteria similis 6 Aug 2018 Illilanga
Unidentified 6 Aug 2018 Harrisi

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User's notes

Animal struck defensive pose of head down - bum up ! first time have seen cockroach do this !?


Illilanga wrote:
   6 Aug 2018
Yes, some species cockroaches do this posture for defence. The Guide to Cockroaches of Australia by David Rentz has some great photos of this. I’ll try and ID your beastie. Do you have any side on photos? Cockroaches can be hard to ID from photos. I look for colour, the spinal pattern on the legs, the wings/tegmites/sternites (so top view), head and finally the abdomen. I’m still learning! Some species can only be identified by examining the genitalia, which can’t be done from photos! Sandra
Harrisi wrote:
   6 Aug 2018
Thanks for that info Sandra and your efforts in identifiying. Unfortunately only took those three pics, will get side view shot of roaches in future!

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Location information

Species information

  • Not Sensitive
  • Local Native
  • Non-Invasive

Sighting information

  • 1 - 3 Abundance
  • 4 Aug 2018 02:19 PM Recorded on
  • Harrisi Recorded by

Additional information

  • 25mm to 50mm Animal size

Record quality

  • 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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