Publications for:

pest = Centaurea stoebe micranthos (weed)
country = U.S.A. (mid N)

found 2 publications:

2004

Feeding records of true bugs (Hemiptera: Heteroptera) from Wisconsin
The Great Lakes Entomologist (2004) 37 (1-2), p. 16
pestinfo wiki

1997

Urophora affinis and U. quadrifasciata (Diptera : Tephritidae) released and monitored by USDA, APHIS, PPQ as biological control agents of spotted and diffuse knapweed
The Great Lakes Entomologist (1997) 30 (3), 105-113
pestinfo wiki