title: Discontinuous respiration in insects at low temperatures: intratracheal pressure changes and spiracular valve behavior.
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D004734:Energy Metabolism; D007313:Insecta / Q000502:physiology*; D011312:Pressure; D011679:Pupa; D012119:Respiration; D013696:Temperature; D014132:Trachea / Q000502:physiology