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 ones seem to be the easiest of the Shimmering Flats silithids, as they don't seem to cause other mobs to aggro you like some of the other types. They are also found outside the hive/cave, unlike the Silithid Invaders.
-  - 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.