Investigation And Identification Of The Species Of Mulberry Pests In Guangdong

Sericulture is an important industry in our country,With the industrial development,some pest insects and diseases in mulberry occurred seriously,causing great economic loss.Guangdong is located in the subtropics with high temperature,abundant rainfall and long frost free period throughout the year.Some pests can even damage the mulberry in the whole year,however,the systematic identification of pests on mulberry in Guangdong was very scarce.Therefore,It is important to investigate and identify mulberry pests in Guangdong,this will not only provides a theoretical basis for control of the pests,but also has a profound significance for the development of the mulberry and sericultural production of our province.The investigation,collection and indoor breeding of mulberry pests from the main mulberry planting areas in Guangdong was carried out.Mulberry pests were identified through morphological and gene analysis.The results of the study are as follows:Sixteen mulberry pests were identified through morphology and molecular(cytochrome oxidase subunit I gene,mtCOI)technology.There were 5 species of Lepidoptera: Glyphodes pyloalis,Orvasca subnotata,Orgyia australis,Homona coffearia,7 species of Hemiptera: Ferrisia virgate,Anomoneura mori,Erythroneura mori,Aphrophora sp.,Nezara viridula,Acanthocoris scaber,Dysdercus cingulatus,1 species of Pteroptera: Pseudcden drothrips mori,and 3 species of Coleoptera: Apriona germari,Psacothea hilaris,Aulacophora indica.Orvasca subnotata,Ferrisia virgate,Dysdercus cingulatus,Aulacophora indica,Aphrophora sp.,Homona coffearia,Hyposidra talaca were the first time to be reported to attack mulberry in Guangdong.The first four were the first time to be reported to damage mulberry in our country,incidence rate for mulberry reached 10%-50%.