Dusky-chested Flycatcher

Here the details of the Dusky-chested Flycatcher named bird below:

SCI Name:  Myiozetetes luteiventris
Protonym:  Elaenia luteiventris Proc.Zool.Soc.London Pt26 no.351 p.71
Taxonomy:  Passeriformes / Tyrannidae / Myiozetetes
Taxonomy Code:  ducfly2
Type Locality:  Rio Napo, Ecuador.
Author:  Sclater, PL
Publish Year:  1858
IUCN Status:  Least Concern

DEFINITIONS

MYIOZETETES
(Tyrannidae; Ϯ Rusty-margined Flycatcher M. cayanensis) Gr. μυια muia, μυιας muias  fly; ζητητης zētētēs  searcher  < ζητεω zēteō  to seek; "Tyranneæ.  ...  *1392. Myiozeta, Schiff." (Bonaparte 1854); "Myiozetetes*   ...   *I so correct this name from "Myiozeta, Bp.," as given in Mr. G. R. Gray's List, p. 146. The name was published in Pr. Bonaparte's 'Conspectus Systematis Ornithologiæ' (Ann. des Sc. Nat. vol. iv. 1854) without indication of type; but from specimens in my own collection, marked in the Prince's own handwriting, I am enabled to state that this was intended to be Elainia cayennensis, Auct." (P. Sclater 1859); "Myiozetetes SCLATER, P. Z. S., 27, p. 46, 1859—type by orig. desig. "Elainia cayennensis" = Muscicapa cayanensis LINNAEUS.   ...   Myiozeta BONAPARTE 1854 is a nomen nudum." (Hellmayr 1927, 137).
Var. Myiozeta.

luteiventris
L. luteus  saffron-yellow  < lutum  saffron; venter, ventris  belly.

SUBSPECIES

Dusky-chested Flycatcher (luteiventris)
SCI Name: Myiozetetes luteiventris luteiventris
luteiventris
L. luteus  saffron-yellow  < lutum  saffron; venter, ventris  belly.

Dusky-chested Flycatcher (septentrionalis)
SCI Name: Myiozetetes luteiventris septentrionalis
septentrionale / septentrionales / septentrionalis / septentrionalium
L. septemtrionalis  northern  < septemtrio  north.
● Erroneous TL "Northern parts of America" (= Tonga Tabu); ex “Northern Shrike” of Latham 1781 (syn. Clytorhynchus vitiensis).