
Appearance
It is very similar to T. bicolor. Adults of T. sexmaculatus are best separated by:-More extensively white margins of the pronotum
-A much darker (black) wing membrane
Final instar nymphs are much darker on the forebody than those of T. bicolor.
Length 5.5-7.5 mm
References:
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http://www.britishbugs.org.uk/heteroptera/Cydnidae/tritomegas_sexmaculatus.html