Key Identification Features
- A key distinguishing feature between sexes is antenna shape: females have curly antennae, while males have straight antennae.
- Taxonomy and description: Due partly to uncertainty over whether different color forms were distinct species, this wasp was known as Pepsis formosa until 2002, including the recognized subspecies P.
- Across its African range, this species displays considerable variation, and Arnold described a number of distinct varieties.
- The antenna of Hemipepsis ustulata has a distinctive curve and twelve segments, which provides an additional identifying feature that separates it from other members of the Pompilidae family.
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