观察蜘蛛的捕食活动是广大中学生所特别感兴趣的一项课外活动,也是研究蜘蛛的食量和食谱等项目的常用手段。近几年来,笔者曾对一些蜘蛛的捕食情况进行观察,现介绍如下。野外观察1. 园蛛的捕食园蛛的网有粘性,能够粘住那些自投罗网的昆虫。观察时,只要把活的食饵往网上一放就行了,但食饵应尽可能大些,以便于观察。 Observing spiders ’preying activity is an extracurricular activity of particular interest to the majority of secondary school students and is also a common means of studying spiders’ food intake and recipes. In recent years, I have observed the predation of some spiders, are presented below. Field observation 1. Garden spider’s predator garden spider’s web is sticky, able to stick to those insects from the cast nets. Observation, as long as the live feed to the Internet on the line, but the bait should be as large as possible in order to facilitate observation.