Green Shield Bugs + unknown

Green Shield Bugs + unknown

Observation - Green Shield Bugs + unknown. Description: 3 photos; Adult, nymph and unknown. Is the unknown another stage of the Green Shield bug, or another bug? All photos taken in my garden, adult Oct 07, nymph Aug 07 and unknown Sep 07.

3 photos; Adult, nymph and unknown. Is the unknown another stage of the Green Shield bug, or another bug? All photos taken in my garden, adult Oct 07, nymph Aug 07 and unknown Sep 07.