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March 30, 2026Ecological MonographsOpen Access

Rapid ecological and evolutionary divergence during a poleward range expansion

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Authors

MSMonica M. ShefferBSBrian SchulzeLZLinda Zander

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Overview

Investigation reveals range shifts tied to adaptation and phenotypic plasticity in wasp spider species distributions.

Key Points

  • This research explores how adaptation and life history trade-offs affect species distributions during range expansion.
  • Analyzed adult phenology, morphology, and offspring cold tolerance of the wasp spider Argiope bruennichi.
  • Conducted a reciprocal common garden experiment under core and edge winter temperatures.
  • Performed genome-wide analysis to identify genetic variation and clusters across Europe.
  • Females matured earlier and at smaller sizes at the range edge without reduced fecundity.
  • Cold tolerance traits included lower lethal temperatures and enhanced supercooling ability in edge-origin spiderlings.
  • Distinct genetic clusters linked to winter climate and seasonality gradients were identified.

Cite This Study

Sheffer et al. (2026) studied this question.

synapsesocial.com/papers/69c9c5a4f8fdd13afe0bd874https://doi.org/10.1002/ecm.70047
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