Pump out the volume--The effect of tracheal and subelytral pressure pulses on convective gas exchange in a dung beetle, Circellium bacchus (Fabricus).

@article{Duncan2010PumpOT,
  title={Pump out the volume--The effect of tracheal and subelytral pressure pulses on convective gas exchange in a dung beetle, Circellium bacchus (Fabricus).},
  author={F. Duncan and T. D. F{\"o}rster and S. K. Hetz},
  journal={Journal of insect physiology},
  year={2010},
  volume={56 5},
  pages={
          551-8
        }
}
  • F. Duncan, T. D. Förster, S. K. Hetz
  • Published 2010
  • Biology, Medicine
  • Journal of insect physiology
  • Many flightless beetles like the large apterous dung beetle Circellium bacchus, possess a subelytral cavity (SEC) providing an extra air space below the elytra which connects to the tracheal system (TS) via metathoracic and abdominal spiracles. By measuring subelytral and intratracheal pressure as well as body movements and gas exchange simultaneously in a flow-through setup, we investigated the contribution of convection on Circellium respiratory gas exchange. No constriction phase was… CONTINUE READING
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