This is a type of silithid found around their hive (cave) in Thousand Needles's Shimmering Flats. Other hives can be found in Feralas, Tanaris, Un'Goro Crater, and Silithus. For more information about the silithid, see the main article: Silithid.
These are the most dangerous of the Shimmering Flats silithid. Though normally non-hostile, if attacked these mobs aggro everything around them in a surprisingly wide radius. It's best to pull these as far away from other mobs as possible before engaging. They also seem to send out another aggro call when low on health.
-  - obtained from at Ironstone Camp, 3rd in a chain starting with  from Korran at the Crossroads in the Barrens.
-  - obtained from , drop from this mob and other Silithid in the area.