I've been reading the ParagonWiki pages on the villainous "epic archetypes", the Arachnos Soldier and the Blood Widow. As NPCs, you never see a male Widow (Blood Widower?), and I can't recall seeing a female Bane Spider or Crab Spider. But there's no mention on the wiki that I can find as to whether PCs in those archetypes are gender-limited (and the costuming entries are almost entirely blank for them).
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