THe rogue group of greys are even less in number so they lay low as to not draw attention to themselves from the main group of greys.

The numerous groups of Nordic/Human aliens do interact with Earth beings from time to time but their main cultural directive is not to mess with developing worlds. But they do step in from time to time against the greys and in support of the few forces on this planet that know of their existence and plans.

Other species, including variations of the grey type, and potentially insectiod types have be reported in third kind encounters subtype A. Since insectiod aliens do not have such a strong cultural connection to the human race throughout history, it is hard to derive the purpose of their visitations, except as to be mapping, studying, scouting, or all three.