Investigation And Analysis Of Insect Resources In Lishui Jiulong National Wetland Park

Insects are the main component of wetland biodiversity,which is of great significance to maintain the ecological balance and biodiversity of wetland.It provides a reliable scientific basis for ecological protection and pest control in Lishui Jiulong National Wetland ParkFrom April 2015 to November 2016,insect resources in the park were investigated and specimens were collected in three ways:light trap,daytime net trap and standard sample plot survey.More than 11,000 specimens were collected in the survey.The preliminary catalogue of insects in Lishui Jiulong National Wetland Park was compiled and classified by statistical analysis.The results showed that there were 288 species of insects belonging to 246 genera 76 families,12 orders in the park.The dominant groups of insects in the park were Lepidoptera,Coleoptera,Homoptera,Hemiptera and Orthoptera.A total of 7010 insect specimens were collected from 10 orders,53 families and 173 species in the standard plot.Homoptera,Hemiptera,Orthoptera and Coleoptera accounted for 75.8%of the total insect population in the standard plot.They were the main group and 36 species in 7 families.The survey found out the existing insect resources in the park.At the same time,through the investigation of the main plant insect pests in Lishui Kowloon Wetland Park,we know that there are 33 species of insect pests in 21 families,7 orders,which constitute the main plant pests in the park.Among them,17 species of insects belonging to 10 families and 6 orders were harmful to the dominant tree species of Pterocarya stenoptera C.DC.in the park,especially the Fruhstorferiola viridifemorata(Coud),Gastroiina deprssa deprssa Baly,Croesus japonlcus Takeuchi,Anomala corpulenta Motschulsky,Latoia consocia Walker,Setora postornata(Hampson),Cnidocampa flavescen(Walker),Lymantria fumida(Moore).