Post-mating-behavior
Guides
Euscepes postfasciatus
West Indian sweetpotato weevil, hidden snout weevil, scarabee
Euscepes postfasciatus is a weevil species in the family Curculionidae that is a significant agricultural pest of sweet potato (Ipomoea batatas) across tropical and subtropical regions. The species has been extensively studied for its reproductive biology, including male-produced chemical signals that induce female post-mating unreceptivity and stridulatory communication during courtship. It is a target of sterile insect technique (SIT) eradication programs, particularly in Japan's Okinawa Prefecture, due to its economic impact on sweet potato cultivation.