Fig. 1. Recordings of the rate of CO2 emission by Akis goryi (mass 0.443 g), Scaurus puncticollis (mass 0.362 g), Trachyderma philistina (mass 0.541 g), T. hispida (mass 0.851 g), Pimelia grandis (mass 1.334 g) and Blaps sulcata (mass 0.919 g).