Pelecinid Wasp, Pelecinus polyturator, from Wisconsin. This remarkable wasp uses her long abdomen and ovipositor (egg-laying apparatus) to dig into the soil and find scarab beetle larvae onto which she can deposit her eggs.
Thread-waisted wasp (Sphecidae, Isodontia sp.) from Iowa.
Northern paper wasp, Polistes fuscatus, on goldenrod in Iowa.
