Goldenrod dazzler

September 16, 2018  •  Leave a Comment

There are goldenrods in glorious bloom everywhere you look, and one of the tried and true ways that members of the Solidago genus turn every aerobic trek non-aerobic is by drawing my eyes close to the blossoms to check for interesting insects, particularly this one, a Locust Borer Beetle that is about as eye-catching an arachnid as is possible in this section of the planet. The adolescents of Megacyllene robiniae spend their development days in the wood of the Black Locust tree—hence, the common name—and emerge as stunning adults in late summer when the goldenrods are at peak. Their almost hieroglyphic markings are said to mimic those of certain wasps, so the best guess is that their uncanny resemblance to stinging predators gives these pacifist members of the beetle family Cerambycidae—the so-called "long-horned" beetles—a measure of just enough protection to keep harm more-or-less at bay while the insects prowl the flowers for pollen and nectar.


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