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Frons traversed by a shallow furrow,
often marked with paler colour than rest of frons;
tegmina narrowing apically
(Genus Nirus Jacobi)
Frons not traversed by such a furrow;
tegmina parallel-sided or widened apically

 
 
 

Document 3727, submitted 22 October 2004
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© NSW Agriculture, 2004

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