Geographic phenotype variation in neotropical South American grasshoppers (Acrididae: Orthoptera): patterns along environmental gradients.

Abstract excerpt

The understanding of phenotypic variability across a geographic space constitutes a central issue in present evolutionary biology. As a rule of thumb, body size and trait variation mirror the adaptation to the environment within a species range as a result of adaptation to local environments, or to neutral drift, or both. This study examines phenotypic variability, static allometry, and sexual size dimorphism...

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