Pending ID – Blattodea

#1. Cockroach ootheca
Mid September 2011
Rocky Cape National Park

#2 Cockroach ootheca cemented onto Ghania grandis leaf.
Mid July 2018
Bridport

   

#2.1  Early October 2020
Bridport
Cemented onto an exterior wall.
IMG 5323  IMG 5321

#3. Mid September 2012
Rocky Cape National Park

#4. Early February 2012
Peter Murrell Reserve, Blackmans Bay

#5. Late December 2012
Strathgordon
On Nothofagus cunninghamii (Myrtle)

   

#6. Early January 2013
Sisters Beach

#7. Early January 2013
Sisters Beach

#8. Late March 2013. 0.7cm
Knocklofty Reserve, Hobart
Bottom two images are taken after an overnight moult.
Found under Eucalyptus delegatenis bark.
      
nest site

#9. Late March 2013. 0.7cm
Knocklofty Reserve, Hobart
Found under Eucalyptus delegatenis bark (above)

#9.1 Mid April 2019
Alum Cliffs Track, Mole Creek
Found on Eucalyptus bark

#10. Late November 2013
New Town Rivulet Reserve, Lenah Valley
   

#10.1 Early February 2018
The Big Bend track
Mount Wellington, kunanyi

#11
Late February 2014
Moving around in the open during the middle of the day.

 

#12
Early January 2015
Sisters Beach

#13. Early April 2015
Weilangta

 

#14. Maybe a Balta sp.???
Late December 2015
Sisters Beach
Attracted to light

 

different individual

#14.1.  Mid April 2019
Cosy Corner, Bay of Fires
Found trapped upside down in the dew formed on a car.  As soon as the cockroach was put onto a warm hand it became very lively, (too lively), but when returned to the cold car body it immediately stopped moving.
Eventually it was removed to a tree, where it immediately flew off.

   

#15   Mid March 2016
Denison Beach

#16 Mid July 2016
Close to Castra,
Under fallen timber

#16.1 Mid April 2019
Westmorland Falls track
Mole Creek

#16.2
Early November 2019
Don Reserve, Devonport
 

#16.3
Early July 2021
Bridport
IMG 0065  IMG 0066

#17 Early September 2016
The Domain Hobart

   

#18 Late November 2016
The Springs, Mount Wellington
Cockroach carrying ootheca

   

# 18.5. Late April 207
Lake St Clair

#19. Late April 2017
Lake St Clair National Park
Both of these individuals showed a defensive secretion accumulated on their cerci.  This liquid is composed of sugars, lipids and amino acids, and may be a deterrent to predators (Rentz 2014)

.  
Individual 2

#20. Early October 2017
Coningham

   

#21. Mid March 2021
“Inala” Lunawanna, Bruny Island
Found under bark
IMG 9068  IMG 9067

22. Mid June 2021
Hobart
IMG 9782  IMG 9780. IMG 9786  IMG 9776

23. Early October 2023
nipaluna/Hobart
Photos KE

IMG 7976  IMG 7977  IMG 7978  IMG 7979. IMG 7981

#24
Late October 2023
Kelcey Tier, Devonport

IMG 8684  IMG 8685

#25
Found dead at the water line
Early January
Edgar Dam
Photo KE

IMG 9754

Reference:
Rentz, D. C. (2014) (p.22)  A guide to the cockroaches of Australia, CSIRO Publishing. Collingwood, Vic. (Australia)