北京郊区蟋蟀的危害及防治蟋蟀属直翅目，蟋蟀科昆虫，对林木幼苗和蔬菜都能造成严重危害。北京有两种蟋蟀危害较为严重，一种为大头蟋蟀，俗称“油蝴噜”，体形较大，体长可达４０～５０ｍｍ，有的体长可达６０ｍｍ。食量很大。另一种为小蟋蟀，体形较小，体长约２０～３... Crickets in Suburbs of Beijing Harm and Prevention Crickets are Orthoptera and Cricket families insects that can cause serious damage to tree seedlings and vegetables. There are two types of cricket in Beijing that are harmed more seriously. One is cricket cricket, commonly known as “oil snorer”, with a larger body length of 40-50 mm and some body length up to 60 mm. Great appetite The other is a small cricket, smaller, body length of about 20 ~ 3 ...