Misato Terao, a research technician at Minami Kyushu University, was straightening up the campus greenhouse when she found unwelcome intruders — fat green caterpillars — nibbling on the impatiens.... “ It was almost a miracle ” they didn’t end up in the trash, he said.... By the time he remembered them several days later, he had about 50 adult moths, and unexpectedly, all of them were female.On a hunch, he bred the females from the greenhouse with male tobacco moths he found fluttering around