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Bark Cockroach -Male (Laxta granicollis) An Australian native, this reddish brown very flat cockroach was about 25 mm long. The wings had a beautiful venation. The thoracic &quot;shield&quot; had a semi-lunar anterior margin which was slightly paler in colour.<br /> The females are wingless and look like trilobites. as can be seen here.<br /> <figure class="photo"><a href="https://www.jungledragon.com/image/37209/trilobite_roach_female_laxta_granicollis.html" title="Trilobite roach female (Laxta granicollis)"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/2532/37209_thumb.JPG?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1759968010&Signature=thRgatAiLxXS84Pkp0%2B7cX54FRY%3D" width="200" height="150" alt="Trilobite roach female (Laxta granicollis) About 22mm long, very hard and flat and looking very trilobytish.<br /> Hiding under some firewood in an outer urban back yard.<br /> Also called &#039;Bark roaches&#039; these are also notable for their communal behaviour.<br /> Here&#039;s the male with wings http://www.jungledragon.com/image/37208/bark_cockroach_-male_laxta_granicollis.html Australia,Bark cockroach,Geotagged,Laxta granicollis,Spring" /></a></figure><br /> These cockroaches live in colonies and feed on wood fibre. Australia,Bark cockroach,Geotagged,Laxta granicollis,Spring Click/tap to enlarge Species introCountry intro

Bark Cockroach -Male (Laxta granicollis)

An Australian native, this reddish brown very flat cockroach was about 25 mm long. The wings had a beautiful venation. The thoracic "shield" had a semi-lunar anterior margin which was slightly paler in colour.
The females are wingless and look like trilobites. as can be seen here.

Trilobite roach female (Laxta granicollis) About 22mm long, very hard and flat and looking very trilobytish.<br /> Hiding under some firewood in an outer urban back yard.<br /> Also called 'Bark roaches' these are also notable for their communal behaviour.<br /> Here's the male with wings http://www.jungledragon.com/image/37208/bark_cockroach_-male_laxta_granicollis.html Australia,Bark cockroach,Geotagged,Laxta granicollis,Spring

These cockroaches live in colonies and feed on wood fibre.

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The Bark cockroach

"Laxta granicollis", the bark cockroach, is a species of Blaberidae that occurs in Australia. The female of this species lacks wings while the male is winged.

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Similar species: Cockroaches And Termites
Species identified by Leuba Ridgway
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By Leuba Ridgway

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Uploaded Mar 28, 2016. Captured Oct 24, 2012 19:27 in 12-20 Talaskia Rd, Upper Ferntree Gully VIC 3156, Australia.
country flag of Australia Explore Australia 13,072 4,173 3
  • SZ-10
  • f/9.3
  • 10/300s
  • ISO100
  • 5mm

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