Predatory and Parasitic Insects Associated with Urophora cardui L. (Diptera: Tephritidae) Galls on Canada Thistle, Cirsium arvense L. (Asterales, Asteraceae) in North Dakota

北达科他州加拿大蓟（Cirsium arvense L.，菊目，菊科）上与卡氏实蝇（Urophora cardui L.，双翅目：实蝇科）虫瘿相关的捕食性和寄生性昆虫