 "the screwfly solution" is a 1977 science fiction short story by raccoona sheldon, a pen name for psychologist alice sheldon, who was better known by her other nom de plume, james tiptree, jr. it received the nebula award for best novelette, and has been adapted into a television film. the title refers to the sterile insect technique, a technique of eradicating the population of screwflies by the release of large amounts of sterilized males that would compete with fertile males, thus reducing the native population more with each generation this is done. this story concerns a similar distortion of human sexuality with disastrous results. ==plot== the story begins with an exchange of letters and news clippings between alan, a scientist working on parasite eradication in colombia, and his wife anne at home in the u.s., concerning an epidemic of organized murder of women by men. some scientists suspect a biological cause for this sexually selective insanity (selected observations of lab animals indicate that the normal male sexual urges are spiraling out of control, resulting in death), but the murderers feel it is a natural instinct and have constructed elaborate misogynistic rationalizations for it. for example, a new religious movement is spreading along with the murders: the sons of adam, who believe that women are evil, that the garden was a paradise before women were introduced, and that god is telling them to get rid of all of the women. when the religion initially arises, prior to the organized murders, little is done to stop the ideology's spread, nor are their actions of evicting women from the areas the men control prevented. alan realizes that the disease causes male sexual impulses to instead become violent impulses. alan, a sensitive, kindly man, realizes that he himself is succumbing and tries to resist the impulses, as well as isolate himself from women. while this occurs, his wife and teenaged daughter have a number of mother-daughter conflicts: the daughter, faithful to her father, refuses to believe her mother's warnings about him. she sneaks off to visit her father, and he murders her, killing himself after the horrific realization of his action. anne flees north, to canada, since the disease began in the tropical zones and spread outward. after most of the world's women are dead, adult men start murdering boys. in the end, anne, pursued by an entire 
1977_short_stories Nebula_Award_for_Best_Novelette-winning_works Science_fiction_short_stories Sterilization Works_by_James_Tiptree,_Jr. Works_originally_published_in_Analog_Science_Fiction_and_Fact