麦积山风景区蝗虫多样性研究

对麦积山风景区蝗虫多样性进行了初步研究,研究结果表明,麦积山风景区的蝗虫共有47种,分别隶属于7科32属。各科中属数最多的是丝角蝗科,占总数的43.75%,其次是斑翅蝗科,占总属数的21.88%;各科中种数最多的是丝角蝗科,占总数的42.55%,其次是网翅蝗科,占总数的17.02%,种数最少的是锥头蝗科,仅为1属1种,分别占总数的3.13%和2.13%。不同生境蝗虫种类存在一定的差异性,在阔叶杂木林、农田和草地3种生境中阔叶杂木林中蝗虫种类最多,占总种数的76.6%。从蝗虫区系多样性来看,景区蝗虫区系以古北界为主,占总种数的55.32%,其次东洋界的种类占到38.3%。

Research on Diversity of Grasshopper in Maijishan Scenic Area

A research on diversity of grasshopper in Maijishan Scenic Area was made in the paper.The results showed that where there are totally 47 species,belonging to 32 genera and 7 families.Among 7 families,the one with most genera was Oedipodidae,its genera occupied 43.75% of total,followed by Oedipodidae,occupied 21.88%;the one with most species was also Oedipodidae,its species occupied 42.55% of total,followed by Arcypteridae,occupied 17.02%;the one with the least species was Pyrgomorphidae and it had only 1 genera and 1 species,occupied 3.13% and 2.13%.The species of grasshopper in different habitat had some difference.Among the three habitats of broadleaf forest,farmland and grassland,the species of grasshopper in broadleaf forest was most and accounted for 76.6% of total species.Fauna analysis of the diversity of grasshopper showed that scenic species are dominant by Palaearctic realm,which occupied 55.32% of total species,followed by oriental species and occupied 38.3% of total species.