Qirot is a level 39 rare wasp that can be found inside or outside of either of the two silithid caves in The Writhing Deep in Feralas. (I have indicated where he can be found in red on the map below.) He drops the typical green item and decent experience for levelers. He shares the same model as many other wasps throughout Azeroth, but he is the only one that is white in color that is tamable at level 39. The only other white models available are located inside The Ruins of Ahn'Qiraj and the Temple of Ahn'Qiraj. You also do not need to be beast mastery spec to tame Qirot.
Qirot can be found with NPCScan. You will need to add it, his NPCScan ID is 5350.
You can also use this macro to help find and tame him:
/cast Tame Beast
There isn't a lot of info on his spawn timer out there, but I can tell you that the first time I went to find him he was up.