Genetic structure and gene flow along an altitudinal gradient among two stomoxyine species (Diptera: Muscidae) on La Réunion Island.

Abstract excerpt

Seasonal variations of insect population sizes are often dramatic, particularly in temperate regions and at altitudes where the climatic conditions are unfavorable to insect development during the winter. Decline of population size (or bottlenecks) and founder events may reduce the genetic variability and may create genetic differentiation between populations by drift and founder effects, but this reduction of...

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