 The producers had to move the filming of the beach sequences from the previous episodes due to changes in the tides at that time of year . Similar to the previous episode , the spaceship was computer @-@ generated . The sequence where the locals are boiled by the ocean water was accomplished using underwater filming of <unk> under various degrees of make up . Fifty thousand dead crickets were rented from a local <unk> for the scene where Scully 's tent was attacked by bugs . The live insects were portrayed by blowing popcorn and packing <unk> at Anderson with fans and editing it into insects in post production . 
