Other Common Names
Bronze Knapweed Root Borer
Synonyms and other taxonomic changes
member of the subgen. Chilostetha Jakovlev 1889
Explanation of Names
Sphenoptera jugoslavica Obenberger 1926
native to se. Europe, intentionally introduced in NA and now widespread in the west (BC-CA to SD-CO)(2)
Introduced from Greece to fight knapweed; first released in 1980.