Locusts

Clean insect eaten by desert dwellers and also a picture of judgment.

Scripture

Leviticus 11:22

22 Even of these you may eat: any kind of locust, any kind of katydid, any kind of cricket, and any kind of grasshopper.

Matthew 3:4

4 Now John himself wore clothing made of camel's hair, with a leather belt around his waist. His food was locusts and wild honey.

Mark 1:6

6 John was clothed with camel's hair and a leather belt around his waist. He ate locusts and wild honey.