Slime mold

Few days ago I noticed a yellow almost fluorescent substance in a little part of mulch in my garden box, it was fresh and bubbly like fresh glue. At the beginning I tough it was an insect substance like an early stage of larvae, so I went for my sevin insecticide  and sprayed some, but the very next day I went to see it and it was already dried out, solid, like a termite nest material. Finally after research I know it was slime mold.