白河林业局森林昆虫群落多样性

摘要

通过对吉林省白河林业局森林群落昆虫的实际调查,发现该地区森林昆虫有10目93科289属327种,群落组成为寡种寡属占优势,群落较为稳定;森林昆虫群落中优势科有7个,优势种有16个;季节动态表明,该地区森林昆虫群落在7月份个体数量、丰富度和等级多样性指数均达到最大值;该地区森林昆虫不同月份的优势种差异较大,落叶松球蚜(Adelges laricis Val.)为6、7、8月份共有的优势种,5、6月份共有的优势种是山楂绢粉蝶(Aporia crataegi(Linnaeus)),6、7月份共有的优势种有大青叶蝉(Cicadella viridis(Linnaeus))、小青花金龟(Oxyce-tonia jucunda(Faldermann))、杨叶甲(Chrysomela populi Linnaeus),金绿真蝽(Pentatoma metallife ra(Motshulsky))为7、8月份共有的优势种,8、9月份共有的优势种是柞栎象(Curculio dentipes(Roelofs)).%By studying the forest insect community of Baihe Forest Bureau,there were 327 species,belonging to 10 orders,93 families and 289genuses.The genera with only one or two species occupy the dominant position in community, and the community was stable relatively.There were 7 dominant families,16 dominant species in the forest insect community.The seasonal dynamic showed that the species individuals, richness, and rank diversity index were maximizing in July.The dominant species showed that it was great difference among different months.Adelges laricis was dominant species in June, July and August.Aporia crataegi was dominant species in May and June.Cicadella viridis,Oxycetonia jucunda and Chry-somela populi were dominant in June and July.Pentatoma metallifera was dominant species in July and August.Curculio dentipes was dominant species in August and September.