!Nara Cricket
Acanthoproctus diadematus
- Least concern
- Card rarity: Common
- Insects

Acanthoproctus diadematus is an armoured katydid, bush-cricket, or ground cricket endemic to the Namib Desert of southern Africa, where it lives in the tall sand dunes along the Kuiseb River in Namib-Naukluft National Park. The katydid feeds on the !nara melon endemic to the area.
Classification
- Class
- Insecta
- Order
- Orthoptera
- Family
- Tettigoniidae
- Genus
- Acanthoproctus