Adults of Colorado potato beetle Leptinotarsa decemlineata are very active at room temperature. and their almost continuous struggling in the respirometer prevents the measurements of the patterns of gas exchange. body movements and heartbeat. The tonic immobility of beetles was evoked by light flashes and by shaking as external stimuli. https://www.jmannino.com/quick-offer-Viqua-F4-50-Plus-Monitored-UV-System-Powered-by-UVMax-15-gpm-230-Volt-on-sale/