Discontinuous ventilation in the rhinoceros beetle Oryctes nasicornis |
| |
Authors: | I. Lamprecht R. S. Seymour C. R. White P. G. D. Matthews L. Wadsö |
| |
Affiliation: | (1) University of Florida, Ft. Pierce, FL, USA;(2) University of Nebraska, Lincoln, NE, USA; |
| |
Abstract: | Discontinuous gas exchange cycles (DGCs) are frequently observed with insects, i.e. oxygen take up and carbon dioxide release occur interrupted by periods of a few minutes up to many hours. The paper presents direct and indirect calorimetric experiments on DGCs of the scarabid rhinoceros beetle Oryctes nasicornis. A direct/indirect calorimetric experiment is presented. Total and specific heat production rates amount to 0.56mWand 0.42mWg−1 in the first period without DGCs and to 0.43 mW (0.32 mW g−1) in the second phase, resp. The mean DGC amplitude is 0.184 mW and thus between 33 and 66% of the total turnover. |
| |
Keywords: | calorimetry discontinuous gas exchange cycles (DGC) insects metabolism respirometry |
本文献已被 SpringerLink 等数据库收录! |