Abstract
A mass rearing method of the smaller tea tortrix, Adoxyophyes orana FISCHER VON ROSLERSTAMM, was devised by using paraffin papers as a barrier in a simplified artificial diet easily prepared with low-cost ingredients. It is not necessary to renew the diet during the period of one generation. The smaller tea tortrix has been successfully reaerd for 12 generations by this method, and about 5, 000 individuals are being reared in the laboratory.

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