User blog comment:DeadpoolN7/Future DLC/@comment-4737548-20121204172948/@comment-1679409-20121206162953

Remember that the Reapers take Irune fairly early into ME3. So, the Reapers have access to volus who are not wearing suits. There is, of course, still the problem of how volus husks would work on other worlds without the artificial pressure of their suits.