Large Milkweed Bug

Large Milkweed Bug [Oncopeltus fasciatus] on Common Milkweed [Asclepias syriaca] at Fletcher Park on 27 August 2016.  The NWF Field Guide to Insects and Spiders of North America, page 123 says this true bug’s “bright colors serve to warn predators of their bitter taste, which is a result of their diet.”

Large Milkweed Bug - 27 August 2016

Large Milkweed Bug – 27 August 2016

Large Milkweed Bug on Milkweed - 27 August 2016

Large Milkweed Bug on Milkweed – 27 August 2016

Large Milkweed Bug (closer) - 27 August 2016

Large Milkweed Bug (closer) – 27 August 2016