#1. Late July 2012
Knocklofty Reserve, Hobart
#2. Early November 2012
Clifton Beach
#2.1 Mid January 2021
Rocky Cape / pinmatik
#3. Late December 2014
Knocklofty Reserve, Hobart/ nipaluna
. 
#4. Spring Beach
Late December 2010
#5. Mid July 2016
Leven Canyon
Different individuals
#5.1
Early January 2023
Mawbanna
#5.5
Mid April 2019
Westmorland Falls Track, Mole Creek.
Different individuals on a long-dead Eucalypt
#5.6
Mid April 2022
Mount Farrell track, Tullah
#6. Maybe Clania sp.
Mid July 2016
Ulverstone
#7. Late April 2017
Lake St Clair
#8. Late April 2017
Lake St Clair
. 
#9. Mid October 2017
Molesworth
#12. Mid April 2019
Westmorland Falls Track, Mole Creek
#13. Mid June 2019
Ulverstone
This looks like it has adorned the case with the dried epidermis from the coastal wattle I found it on. There are lots of dried layers probably caused by leaf blister sawflies (or along those lines), so maybe the caterpillar nips them off?
. 
#14. Early January 2020
Eugenana
#15
Early October 2020
Bridport
#16 Late June 2021
Knocklofty Reserve, Hobart/nipaluna
#17. Case moths on Melaleuca ericifolia
Mid September 2021
Tamar River wetlands
#18 Late December 2022
Knocklofty Reserve, Hobart/nipaluna
