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A selection of insect sushi. From front left to back right: sakura moth caterpillar; joro spider; privet-hawk moth larva; Madagascar cockroach; Asian hornet larvae; dobson fly larva; Japanese cicada; green tree ant larvae.Tokyo resident Shoichi Uchiyama is the author of "Fun Insect Cooking". His blog on the topic gets 400 hits a day. He believes insects could one day be the solution to food shortages, and that rearing bugs at home could dispel food safety worries.