Preliminary Studies on the Nutritional Requirements of the Bedbug (Cimex Lectularius L.) and the Tick Ornithodorus Moubata Murray

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Abstract
The nutritional requirements of insects have been the object of much investigation in recent years. These studies have been largely confined to holometabolous insects which feed on a variety of unsterile food in nature. By working under aseptic conditions in the laboratory the exact requirements of the insects concerned may be assessed. The original object of these investigations was to determine the nutritional requirements of a hemimetabolous insect, Cimex lectularius, which during its whole life takes only sterile blood as a source of food. For this purpose it became necessary to feed the insects in vitro through a membrane so that the medium presented to them could be varied at will. It was also intended to induce changes in the blood taken by the bugs in vivo, i.e. in the living animal on which they were fed.

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