Burying Beetle, Nicrophorus sp. (Greek for "carrier of the dead") from Iowa. These aptly-named beetles bury small vertebrates as food sources for their offspring, which are taken care of by both parents - an extremely rare trait in the insect world.
A gorgeous stag beetle (Lucanidae) from the St. Louis Zoo Insectarium.
Green weevil (Polydrusus sp.) from Iowa.