The following diagrams and pictures represent
how a resin producing tree might have protected itself from an
insect and how that insect and a spider were entombed in the resin
as a result. The fly may have been resting on the surface of the
tree and was partially covered in a resin flow. The spider may
have seen this fly struggling and saw it as easy prey, not knowing
that the fly was trapped and was trying to escape from the resin.
As the spider approached the fly, it may have been to covered
in the resin and both fly and spider were both totally entombed.