When one of them dies and falls on something, that article becomes unclean; any article of wood, clothing, leather, sackcloth, or any implement used for work must be rinsed with water and will remain unclean until evening; then it will be clean.
Here is the law, 1. Concerning flying insects, as flies, wasps, bees, etc.; these they might not eat (Lev 11:20), nor indeed are they fit to be eaten; but there were several sorts of locusts which in those countries were very good meat, and much used: John Baptist lived upon them in the desert, and they are here allowed them, Lev 11:21, Lev 11:22. 2.
Commenting on Leviticus 11:20-42
And upon whatsoever any of them, when they are dead, doth fall, it shall be unclean,.... Any of the above eight creeping things, that is, of their flesh, for as for their bones, nails, nerves, and skin, as before observed, being separated from them and dry, they do not defile: whether it be any vessel of wood, or raiment, or skin, or sack; every wooden...
And upon whatsoever [any] of them, when they are dead, doth fall, it shall be unclean; whether [it be] any vessel of wood, or raiment, or skin, or sack, whatsoever vessel [it be], wherein [any] work is done, it must be put into water, and it shall be unclean until the even; so it shall be cleansed. (i) As a bottle or bag.