Once people in America took many of these easily reared silk moths, in which the caterpillars spin beautiful silken cocoons, and tried to use them to raise silk for sale. It was possible to produce fine silk all right, but they found that the cost of American labor was so much higher than Oriental labor for producing this silk that it was impossible to compete. So the attempt was abandoned.

Continue reading “Promethia Moth / Callosamia Promethia 卡洛萨米氏(Family Saturnidae, Silk Moths)” →