Abstract
Determinations have been made of the oxygen consumption of individual Tenebroides mauritanicus (L.) under fumigation with controlled dosages of methyl bromide. When the LD50 was applied, it was found that individuals characterized by a high normal respiratory rate were more likely to be victims than those with a low rate. The respiratory rate remained unchanged during the five-hour exposure to methyl bromide while the insects showed the complete succession of symptoms from hyperactivity to paralysis. Subsequently there was a gradual decrease in respiration until death. Pretreatment of the insects with a sublethal dose of the fumigant did not increase their resistance to lethal doses, thus confirming the absence of "protective stupefaction".
Publisher
Canadian Science Publishing
Subject
Animal Science and Zoology,Ecology, Evolution, Behavior and Systematics
Cited by
20 articles.
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