白鹭主要取食鲤科、鲻科鱼类和虾类。
The fish of Mugilidae and Cyprinidae and the shrimp were the most food of little egret.
牛背鹭主要取食蜘蛛、蝗虫、蟋蟀和蛙类。
The food of cattle egret was mostly spider, locust, cricket and frog.
韧皮部及其邻近组织是大多数蚜虫的主要取食部位。
Phloem elements and adjacent tissues are the principal feeding sites for most aphids.
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