sperm competition sexual behavior 8 copulation 6 species diversity 6 Anastrepha 4 Anastrepha fraterculus 4 Animals 4 Diptera 4 Drosophila 4 Female 4 Hexapoda 4 Juvenile hormone 4 Male 4 Reproduction 4 Sexual Behavior, Animal 4 Sexual maturation 4 South America 4 South American fruit fly 4 Sperm competition 4 Sterile insect technique 4 Tephritidae 4 animal 4 article 4 comparative study 4 female 4 fruit 4 genetic variation 4 genetics 4 hormone 4 juvenile 4