They are the same, but bocourti and pearsei have been removed (separated)from the genus Vieja and given their own genus Cinelchthys. (they were also at one time, considered part of the genus Herichthys, another they didn't quite fit in)
I believe this separation is long overdue.
The paper describing the division is
Diversity and evolution of the Middle American cichlid Fishes (Teleostei: Cichlidae) with revised classication
by
Oldřich Říčan, Lubomír Piálek, Klára Dragová & Jindřich Novák
and found in the publication Vertabrate Zoology
I believe this separation is long overdue.
The paper describing the division is
Diversity and evolution of the Middle American cichlid Fishes (Teleostei: Cichlidae) with revised classication
by
Oldřich Říčan, Lubomír Piálek, Klára Dragová & Jindřich Novák
and found in the publication Vertabrate Zoology