English: Effect of microclimate caused by the different ridging in potato-field on the feeding activity of adu't of Epilachna vigintioctomaculata Motschulsky : Activity fluctuation in insect and environmental condition, IX
Japanese: 馬鈴薯の培土の相違がオオニジユウヤホシテントウ成蟲の攝食活動に及ぼす影響 : 昆蟲の活動消長と環境條件第 9 報