I learned that it's possible to have one of these sorts of movies where the scientist-person (except for a brief "no, you can't use poison to kill spiders, you ignorant rube" moment) isn't doing the standard-issue "you can't kill the monster, science has to study it!" thing.
"Burn the spider mound? Hell yeah, we're gonna burn down that spider mound! In fact, why wait 'til morning, let's burn those SOBs right this instant!"