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Volume 4 Issue 2, February 2020

Evolutionary novelties

Many arthropod morphological novelties originate as outgrowths of the body wall, and few are as spectacular as the helmets of treehoppers, such as the helicopter-like helmet of Bocydium globulare, depicted. However, comparative transcriptomics demonstrates that treehopper helmets evolved through co-option of the wing gene-regulatory network rather than through modification of the network of the body wall itself.

See Fisher et al.

Image: Piotr Naskrecki. Cover Design: Lauren Heslop.

Volume 4 Issue 2

Editorial

  • Fires in Australia show the devastating interaction between climate and biodiversity emergencies, and make clear that action is needed at all levels.

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Correspondence

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Comment & Opinion

  • Conservationist who changed how we think about threats to biodiversity.

    • Stuart L. Pimm
    • Peter H. Raven
    Obituary
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News & Views

  • Analysis of niche related morphological traits in nearly 10,000 species of birds shows concordance between phenotypic traits and trophic function. Avian trophic niche space can be described by only two to four dimensions, with the occurrence of similar adaptive morphologies primarily driven by convergent evolution.

    • Matthew J. Larcombe
    News & Views
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