The epithet is capitalized because that's the way Francis Walker published it. The genus Eucharis is actually a chalcidoid, i.e., it is classified in a different superfamily from ants. However, the type specimen of this species is not a chalcidoid at all, but the male of some unidentified ant in the subfamily Formicidae. I think the basic problem here is that the taxonomists have recognized a problem, but haven't figured out how to resolve it: it's still a work in progress