Author： KADOUM A. M. NELSON S. O. STETSON L. E.
Publisher： Entomological Society of America
ISSN： 1938-2901
Source： Annals of the Entomological Society of America, Vol.60, Iss.5, 1967-09, pp. : 885-889
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Abstract
Mortality of larvae of the yellow mealworm, T. molitor L, exposed to 39-megahertz electric fields in confining polystyrene holders, increased with exposure time and radiofrequency (rf) voltage applied across the holder. Mortality continued to increase over a 2-week period following exposure. Internal thoracic temperatures induced by the rf treatments increased almost linearly with length of exposure. Temperatures in the thorax and last abdominal segment were significantly higher than temperatures in the cervical region or in the first and fourth abdominal segments, probably because of appendages which caused development of higher electric field intensities in these regions. Measured thoracic temperatures approached normally lethal levels, so internal heating is a likely explanation of death of the insects.
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