Laconic / Somewhere, an Entomologist Is Crying

Factual inaccuracies about invertebrates (insects and arachnids) in a work of fiction, usually because they make the story work better.
Ride on a giant four-legged spider to the unabridged version HERE

http://tvtropes.org/pmwiki/pmwiki.php/Laconic/SomewhereAnEntomologistIsCrying