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@ARTICLE{Blanke:418371,
      author       = {Blanke, Alexander and Pinheiro, M. and Watson, P. J. and
                      Fagan, M. J.},
      title        = {{A} biomechanical analysis of prognathous and orthognathous
                      insect head capsules: evidence for a many-to-one mapping of
                      form to function},
      journal      = {Journal of evolutionary biology},
      volume       = {31},
      number       = {5},
      issn         = {1010-061X},
      address      = {Oxford [u.a.]},
      publisher    = {Wiley-Blackwell},
      reportid     = {PUBDB-2019-00403},
      pages        = {665 - 674},
      year         = {2018},
      note         = {© European Society For Evolutionary Biology. Journal of
                      Evolutionary Biology © European Society For Evolutionary
                      Biology; Post referee fulltext in progress 2; Embargo 12
                      months from publication},
      abstract     = {Insect head shapes are remarkably variable, but the
                      influences of these changes on biomechanical performance are
                      unclear. Among ‘basal’ winged insects, such as
                      dragonflies, mayflies, earwigs and stoneflies, some of the
                      most prominent anatomical changes are the general mouthpart
                      orientation, eye size and the connection of the endoskeleton
                      to the head. Here, we assess these variations as well as
                      differing ridge and sclerite configurations using modern
                      engineering methods including multibody dynamics modelling
                      and finite element analysis in order to quantify and compare
                      the influence of anatomical changes on strain in particular
                      head regions and the whole head. We show that a range of
                      peculiar structures such as the genal/subgenal, epistomal
                      and circumocular areas are consistently highly loaded in all
                      species, despite drastically differing morphologies in
                      species with forward‐projecting (prognathous) and
                      downward‐projecting (orthognathous) mouthparts.
                      Sensitivity analyses show that the presence of eyes has a
                      negligible influence on head capsule strain if a
                      circumocular ridge is present. In contrast, the connection
                      of the dorsal endoskeletal arms to the head capsule
                      especially affects overall head loading in species with
                      downward‐projecting mouthparts. Analysis of the relative
                      strains between species for each head region reveals that
                      concerted changes in head substructures such as the subgenal
                      area, the endoskeleton and the epistomal area lead to a
                      consistent relative loading for the whole head capsule and
                      vulnerable structures such as the eyes. It appears that
                      biting‐chewing loads are managed by a system of
                      strengthening ridges on the head capsule irrespective of the
                      general mouthpart and head orientation. Concerted changes in
                      ridge and endoskeleton configuration might allow for more
                      radical anatomical changes such as the general mouthpart
                      orientation, which could be an explanation for the
                      variability of this trait among insects. In an evolutionary
                      context, many‐to‐one mapping of strain patterns onto a
                      relatively similar overall head loading indeed could have
                      fostered the dynamic diversification processes seen in
                      insects.},
      cin          = {DOOR},
      ddc          = {570},
      cid          = {I:(DE-H253)HAS-User-20120731},
      pnm          = {6G3 - PETRA III (POF3-622) / FS-Proposal: I-20120065
                      (I-20120065)},
      pid          = {G:(DE-HGF)POF3-6G3 / G:(DE-H253)I-20120065},
      experiment   = {EXP:(DE-H253)P-P05-20150101 / EXP:(DE-H253)D-BW2-20150101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:29444377},
      UT           = {WOS:000432011600004},
      doi          = {10.1111/jeb.13251},
      url          = {https://bib-pubdb1.desy.de/record/418371},
}