Diagnostic Walk-About Highlight: Mystery Solved
A mystery that has bedeviled me for several years was finally solved this past Monday thanks to participants in the Southwest Ohio BYGLive! Diagnostic Walk-About and my Walk-About partner, Julie Crook. As I reported in my July 1, 2016, BYGL Alert! (Coneflower Calamities: Round 1), Sunflower Head-Clipping Weevil (Haplorhynchites aeneus) females clip the flowers of coneflowers as well as members of the Silphium genus. Indeed, the weevil is sometimes called the "Silphium weevil" owing to its strong association with plants in this genus.
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