Population structure and gene flow in Stomion: a species swarm of flightless beetles of the Galapogos Islands

Stomion is a swarm of 13 flightless tenebrionid beetle species endemic to the Galapagos Islands. Their distribution is patchy and largely restricted to the littoral and arid zones of the archipelago. Each taxon is found on one or a few geographically close islands. Thirty-five populations representi...

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