北京地区草坪昆虫群落的初步研究

Study on the Turf Insect Communities in Beijing Area

对北京市不同类型的草坪昆虫群落进行了初步调查研究,共采集到昆虫17 765头,隶属于89个科,11个目.昆虫种类组成主要以膜翅目和双翅目为主,占群落总科数的59.55%,而从数量上则以双翅目和同翅目为最多,占样本总数60.81%,不同类型的草坪昆虫群落组成不同,其昆虫群落丰富度、多样性、优势类群随着季节而成动态变化.

Insect communities in different turfs were investigated in Beijing area. 17 765 individuals were collected, belonging to 89 families within 11 orders. In which Hymenoptera and Diptera contain the most families（amounting to 59.55% of the total number of families ）. while the individual number of Diptera and Homoptera were absolutely dominant （amounting to 60.81% of the total individual number of turf insects in collecting）. The insect communities composition were different with different turf types. The richness（ S ）, diversity index（H＇） and dominance index（ D ） varied with seasons in insect communities.