Ecomorphological adaptations in Collembola in relation to feeding strategies and microhabitat

Miriama Malcicka*, Matty P. Berg, Jacintha Ellers

*Corresponding author for this work

    Research output: Contribution to JournalArticleAcademicpeer-review

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    Some of the most important functional traits in animals are related to the potentially vast array of feeding strategies and microhabitat use. Correlated evolution of diet and habitat specialization with ecomorphological traits has been described in vertebrates, but such functional trait variation in soil in vertebrates is less well-studied. In this study, we explore the evidence for ecomorphological adaptations in Collembola, an important group of soil invertebrates, and place this in the context of their feeding biology, vertical stratification in soil and reproduction mode. For this purpose, we compiled a database of functional traits, including mouthparts structures (mandibula, maxilla), feeding guilds (microbivores, herbivores and scavengers/carnivores), vertical habitat stratification (epigeic, hemiedaphic, euedaphic) and reproduction mode (bisexual, parthenogenetic). We used phylogenetic reconstructions and Pagel's discrete method to test for correlations between various traits. We found a correlation between diet and mandibulae structure, with scavengers/predators possessing scratching/piercing mandibulae without a molar plate, while chewing mandibulae with a molar plate were associated with herbivores and microbivores. Vertical habitat stratification did not correlate to diet or to reproduction mode. No phylogenetic signal was found in the structure of the maxillae, although maxillae in the scavenger/predatory diet group differed structurally from herbivores and/or microbivores. The correlated evolution seen between scavengers/predators and scratching/piercing mandibulae indicate selective pressures linking different morphological traits related to the biology of Collembola, and shed new light on the broader context of diet evolution in soil arthropods.

    Original languageEnglish
    Pages (from-to)82-91
    Number of pages10
    JournalEuropean Journal of Soil Biology
    Early online date27 Dec 2016
    Publication statusPublished - Feb 2017


    The authors would like to thank Anouk van't Padje, Martijn Timmermans and Mark Lammers for their help with statistic and reconstruction of the phylogenetic tree. Research was supported by grant from The Netherlands Organisation for Scientific Research [NWO, VICI grant 865.12.003].

    FundersFunder number
    Nederlandse Organisatie voor Wetenschappelijk Onderzoek865.12.003


      • Diet
      • Ecomorphology
      • Microhabitat
      • Mouthparts
      • Reproduction mode
      • Springtails


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