UNIT had an entomologist assigned to the victim-retrieval station in Hereford. Martha Jones suggested that she might be able to explain why the maggots inside of the chameleon were so advanced. (AUDIO: Dissected)
After Sergeant Brundle was infected by a Wirrn egg, Shana Siddiqui was hired as UNIT's entomologist to try to find a cure. (AUDIO: Hosts of the Wirrn)