The organism is left skittering around in the dark for prey until it senses a struggle further away. 
"[i]We are of the hive, and the hive is us.[/i]"

The creature can tell by instinct alone that one of its fellow spawns is being pulled at; forced from its targets face. So it takes a chance, silent as ever it comes up behind the strong host pulling, then it climbs partway up the unconscious hosts leg then... finally jumps up at the other hosts face, and locks in tight with its legs- quickly deploying its inside tendrils down the hosts throat...