Rio Pastaza Hoffmannia (Hoffmannia modesta)  

This species is known only from the type, that had been collected in 1933 in the Río Pastaza valley, near the town of Río Negro in the Tungurahua Province, Ecuador.  

The status of this species is unknown, the type was destroyed during World War II, it may be extinct or may turn out to be identical with another species.  

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edited: 22.03.2018