(syn. Leptasthenura Ϯ Araucaria Tit Spinetail L. setaria) Gr. δενδρον dendron tree; φυλαξ phulax watcher, sentinel < φυλασσω phulassō to keep watch; "DENDROPHYLAX genus nov.a Bathmidura (not Bathmidurus CABANIS 1847) REICHENBACH, Handb. spez. Orn., Scansoriae, p. 163, 1853—type by subs. desig. (GRAY 1855) Synallaxis setaria TEMMINCK. ... a Dendrophylax genus nov. Most nearly related to Leptasthenura, but bill much longer and slenderer, with strongly curved culmen; rectrices (12) much narrower and less pointed ... Type: Synallaxis setaria TEMMINCK." (Hellmayr 1925).