Gum-tree Shield Bug
S2, Longer Spines		Adelaide Hills
Brown Stink Bug
S1, dorsal		 
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Gum-tree Shield Bug (Omyta centrolineata ssp siccior)Class: Animals (Animalia) - Jointed Legs (Arthropoda) - Insects (Insecta)
Order: True Bugs (Hemiptera)
Family: Stink Bug (Pentatomoidea, Pentatomidae)     iNaturalist Observation
Species: Gum-tree Shield Bug (Omyta centrolineata ssp siccior)
This Photo:     S6, 3 Segment Anteanna
Thank you David Muirhead (DaveMMDave) for confirming the id of this species for us

General Species Information:
Found in the Adelaide Hills and possibly elsewhere
~17mm long. These only have 3 antennae segments, which is less than most others at 4 or 5. However, the colour banding makes them look like 4 segments, so you need to pay close attention to the actual segment separtion; not just colour.
Notice the spurs on each antenna base under the head.
It seems some specimens have longer spines than others. Possibly a gender difference?
Copyright © 2011-2025 Brett & Marie Smith. All Rights Reserved. Photographed 27-Nov-2011
This species is an Australian Native Species, not listed in the SA Murray Mallee Survey of 2010.