Bug King

 is the fifty-fourth offline mission and the fifty-eighth online mission in Earth Defense Force 2025 and the fifty-seventh offline mission and the sixty-first online mission in Earth Defense Force 4.1: The Shadow of New Despair.

Objective
2025:

4.1: Spider-type insects have infiltrated the city, creating panic amongst the residents. Deploy and assist.

Storyline
When Storm Team arrives on the scene, they find a huge swarm of Spiders, but unlike previous swarms these are led by quartet of King Spiders, the male equivalents to Queen Ants.