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An automated technique for monitoring carbon dioxide respired by insects *
Author(s) -
Sell C. R.,
WEISS M. A.,
MOFFITT H. R.,
BURDITT A. K.
Publication year - 1985
Publication title -
physiological entomology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.693
H-Index - 57
eISSN - 1365-3032
pISSN - 0307-6962
DOI - 10.1111/j.1365-3032.1985.tb00053.x
Subject(s) - codling moth , biology , carbon dioxide , pupa , tortricidae , lepidoptera genitalia , larva , botany , ecology
. A non‐dispersive infrared gas analyser equipped with a Luft‐type sonic detector and flow‐through reference cell was automated to monitor the total volume of carbon dioxide (CO 2 ) respired by single insects or groups of insects. The infrared analyser was interfaced with an integrator for quantification, a microprocessor to control intermittent air flow through the insect respiration chambers, and a microcomputer for data storage and reduction. This technique has been used to monitor the CO 2 Output of diapausing and non‐diapausing mature fifth instar larvae and of developing pupae of the codling moth, Cydia pomonella (L.) (Lepidoptera: Tortricidae). The resulting data were accurate, quantitative and reproducible.