Musk Thistle Flowerhead Weevil

Rhinocyllus conicus

In Current Research on Biological Control of Insects in the Midwest  summary # 8 (Vol. VII, No. 3)

In Biological Control at National Entomology Society Meetings summary # 4  (Vol. V, No. 2)

In Biological Control at National Entomology Society Meetings summary # 5  (Vol. V, No. 2)

Flea Beetles to be Released for Musk Thistle Control  (Vol. IV, No. 9)