Environmental manipulations were used to explore the effects of larval competition on the life history strategy of the bean weevil, C. maculatus. 試騐中取有或無幼蟲競爭經(jīng)歷之四紋豆象雌蟲，提供寄主豆不足與充裕兩種資源狀況，以比較兩者在成蟲期生活史特徵表現(xiàn)上之差異。
The possi bility of identifying the species of bean weevils by using the electophoresis method on larval lipase isoenzyme was discussed. 由此探討利用酯酶同工酶電泳法鋻別豆象的可能性。