Hostile Exterminator Builders (HEB)

The recently discovered species of aliens, some 2,000 parsecs away from human space, who are believed to be the original builders of the Exterminator machines that terrorised humanity between 3196 and 3200. Practically nothing is known about the HEB culture, biology and economical infrastructure until the appearance of the Roaches, who are now believed to be the HEBs.

See Exterminators and Roach