Abstract
I HAVE earlier postulated1,2 a completely new concept of the insect environment based on infra-red frequency transmission through infra-red atmospheric windows. This concept involves the utilization of such transmitted frequencies in the life cycle and behaviour of night-flying moths. I postulated that moths may locate their mates, chemical releasers (scents), and host plants by means of infra-red frequency detection and that the night-adapted eye of nocturnal moths shifts slowly from the short-wave visible spectrum of daylight to the longer and longer infra-red frequencies as it becomes night-adapted. When totally dark-adapted, it attains the configuration of a mosaic optic-electromagnetic thermal radiometer for night-time detection of infra-red frequencies. I further postulated that the antennal spines may be resonant cavities for infra-red detection. Laithwaite3 has postulated a similar theory for the assembling of moths. In testing the validity that a moth might locate its mate by thermal far infra-red, the following experiments were performed:
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