Rhinocyllus, U, back, U

close up of image

Detailed Description

Rhinocyllus conicus, the Eurasian flower head weevil, infests flower heads of Pitcher's thistle at the Indiana Dunes National Lakeshore. Its presence was first discovered in 2012. The weevil is a biocontrol agent for musk thistle, Carduus nutans. Picture by Wayne Boo. Canon Mark II 5D, Zerene Stacker, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash, F5.0, ISO 100, Shutter Speed 200, link to a .pdf of our set up is located in our profile

Details

Image Dimensions: 2832 x 3744

Date Taken: