Declivous a. : Descending gradually; moderately steep; sloping; downhill.

Example:


Taxonomy
scales, elytra, Nicaragua, Costa Rica, Scutellum, anteriorly, antennomere, Guatemala, Panama, Pronotum, intervals, dorsal scales, Mexico and Central America, exquisitus, Belize, colored scales, virens, Fabricius.

Defination from the web:
declivous anteriorly; scales. submetallic olivaceous. ... areas of elytra gradually declivous; hypomeron with a distinct antennal groove anteromedially; elytral apices denticulate at most. ...