Locusts
'Locusts' signify falsities in the extremes, which consume the truths and goods of the church in a person. 'The locusts' which John the Baptist ate signify truths of a most common or general nature.
(Referenties: Apocalypse Revealed 424, 430)
Zechariah 8:3-5
3
Thus says Yahweh: "I have returned to Zion, and will dwell in the midst of Jerusalem. Jerusalem shall be called 'The City of Truth;' and the mountain of Yahweh of Armies, 'The Holy mountain.'"
4
Thus says Yahweh of Armies: "Old men and old women will again dwell in the streets of Jerusalem, every man with his staff in his hand for very age.
5
The streets of the city will be full of boys and girls playing in its streets."