QUICK SEARCH:   [advanced] Author: Keyword(s):
Home     Help     Feedback     Subscriptions     Archive     Search     Table of Contents

This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Google Scholar Articles by BARTHOLOMEW, G. A. Articles by CASEY, T. M. Search for Related Content PubMed Articles by BARTHOLOMEW, G. A. Articles by CASEY, T. M.

Journal of Experimental Biology 58,503-507 (1973)
Published by Company of Biologists 1973

Effects of Ambient Temperature on Warm-Up in the Moth Hyalophora Cecropia

GEORGE A. BARTHOLOMEW ¹ and TIMOTHY M. CASEY ¹

¹ Department of Biology, University of California, Los Angeles, California 90024

The rates of pre-flight warm-up in adult Hyalophora cecropia (mean weight 3.10g) were measured 24-36 h after eclosion at 15, 20, 25, and 30 °C in still air.

1. The rate of thoracic warm-up increased linearly with ambient temperature, averaging 2.6 °C/min at 15 °C and 6.5 °C/min at 30 °C.

2. Thoracic temperatures typically reached 37-39 °C while abdominal temperatures rarely rose more than 3 °C above ambient.

3. The cooling curves of the thorax at 15° and 25 °C were straight lines and had similar slopes on a semi-logarithmic plot.

4. Our data are compatible with the idea that heat production is dependent on thoracic temperature, and are incompatible with the theory that it depends on the difference between thoracic and ambient temperatures.

This article has been cited by other articles:

				B. Heinrich Thermoregulation in Endothermic Insects Science, August 30, 1974; 185(4153): 747 - 756. [Abstract] [PDF]