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I've been experimenting with different designs for a drinker device for locusts. However the struggle is that they chew so hard, that whatever wick I've used so far got completely devoured.
What I’ve tested:
unwoven cotton - gets eaten
cotton cloth - gets eaten
rock wool - gets eaten
kitchen sponge (polyuretane) - gets eaten
steel wool - doesn’t get eaten, but poor wicking action and rusts quickly
shoelaces (I guess that’s nylon) - gets eaten
the material from painter's roller (don't know exactly, but some synthetic polymer) - gets eaten
Anyone have an idea for a material that would wick, but be strong enough to withstand locusts' bite?