Two True Bugs from Australia

Subject: bug unidentified
Location: Victoria, Australia
December 30, 2013 1:11 am
My name is Ivan, i live in Victoria, Australia , recently they stared to build a house behind my home, since then these unidentified bugs have migrated to my backyeard.
There all over my windows and trying to get into my house, i have googled this unidentified bug and can not find anything on it, there are similar ones but not the same. I got pest control to come over ande see the bugs but they told me they were Springtail bugs because they have two antenas when he left i googled this Springtail bug and it doe not look like it at all.
I have taken photos and measured two of them a small one and a large one, the sizes are the smallest one 3mm and the larger one is 6mm.
Please help with identifing this bug. I dont want this bug to hurt my family especially my 5 month old daughter.
Signature: Ivan

Unknown Nymph
Unknown Heteropteran Nymph

Dear Ivan,
All three images you submitted are True Bugs in the suborder Heteroptera, and they are definitely NOT Springtails.  Two of your photos appear to be the same species and they are immature.  Due to their small size, we are speculating that they are either Dirt Colored Seed Bugs in the family Rhyparochromidae, or Chinch Bugs in the family Blissidae.  It may be difficult to determine the exact species as they are immature specimens.

Unknown Heteropteran Nymph
Unknown Heteropteran Nymph

The third photograph appears to be a different species, and it most closely resembles the Stink Bugs and Shield Bugs in the superfamily Pentatomoidea, but due to its small size, we cannot be certain.  It is a winged adult.  Compare your but to this North American Shield Bug Sphyrocoris obliquus that is pictured on BugGuide.  We are posting your photos and tagging them as unidentified.  We will attempt further research if time permits and perhaps one of our readers will be able to contribute some helpful information.  In our opinion, both species may present a nuisance due to their large numbers, but we don’t believe either species poses a direct threat to your family.

Unknown True Bug
Unknown True Bug



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