Necessary and sufficient condition for a model insect population to go to extinction.
D000818:Animals; D005260:Female; D005306:Fertilization; D005828:Genetics, Population; D007248:Infertility, Male; D007313:Insecta; D008297:Male; D008433:Mathematics; D008954:Models, Biological; D012726:Sexual Behavior, Animal; D013245:Sterilization, Reproductive; D013997:Time Factors