西宁地区油菜田蜘蛛群落初步研究  

A preliminary study on the spider's community in rape field in Xining

作　　者：邱丹[1] 杨春梅 

机构地区：[1]青海师范大学生命科学系,青海西宁810000 [2]青海省贵德县农技站,青海贵德811700

出　　处：《植物保护》2005年第6期52-55,共4页Plant Protection

摘　　要：西宁地区油菜田蜘蛛种类主要有6科10种,其中星豹蛛和锥腹肖蛸为优势种。在油菜生长初期和收获后以游猎型蜘蛛为主,而在油菜生长过程中游猎型和结网型蜘蛛共同存在。油菜田蜘蛛的主要捕食对象是油菜茎象甲成虫、油菜潜叶蝇成虫、跳甲和蚜虫等。There are mainly 10 spider species in 6 families in rape fields in Xining, among which Pardosa astrigera （L. Koch）and Tetragnatha maxillosa Thorell are the dominant species. Vagabundae spiders were found to be superior at the initial growing stage and during postharvesting perilds, They co-existed with Sedentariae spiders during the course of crop growth. The mejor preys of the spiders in rape fields were Ceuthorrhynchus asper Roelofs, Phytamyza harticola Gowreau, Psylliodes punctifron and Rhopalosiphun pseuddorassicae.

关 键 词：有害生物生物防治 蜘蛛群落 油菜田 

分 类 号：S476.9[农业科学—农业昆虫与害虫防治]