Brown marmorated stink bug

Well, I've not seen an young one, but in Wiki I found their color differences. An adaptation with environment :-)

Have you observed...very young stage their legs are Black and white...and as getting mature..they turned complete brown..!!
This is middle stage..!!

thanks, you are great :)

Brown marmorated stink bug's nymph

Nymph of Stink bug... its a kind of Shield bug..!!

For the time being I'll use Shield bug :)

Looks like a type of stink bug or shield bug.

Nice picture.