Seasonal prevalence of sweetpotato weevil Cylas formicarius and the West Indian sweetpotato weevil Euscepes postfasciatus in Okinawa, Japan

<Author> Keiji YASUDA
<Year> 1993
<Journal> Proc. Assoc. Pl. Prot. Kyushu
<Volume> 39
<Issue>
<Pages> 88-90
<Notes> Japanese