Studies onBradysia odoriphaga Laying Eggs in Different Hosts and Its Phototaxis to LED
YANG Feng-shan1，2， XU Zhen-hua1， LU Hong-gang1， LI Chao1， LIU Chun-guang1，2*
（1College of Life Science， Heilongjiang University， Harbin 150080， Heilongjiang， China；2Engineering Research Center
of Agricultural Microbiology Technology， Ministry of Education， Harbin 150501， Heilongjiang，China）
Abstract：In order to achieve capture of live insects， predict occurrence law of field populations， and understand the occurrence dynamic of resistance in field populations， we tested the fecundity and phototaxis of Bradysia odoriphaga on 4 families 9 kinds different hosts and 6 different single color LED lights， and then achieved the best hosts and light source. Meanwhile， the efficient capture technology of live insects was obtained by preparing and field applying the collection cage of Bradysia odoriphaga . The results showed that the highest egg laying amount of Bradysia odoriphaga was gained in Solanum tuberosum with 93.56 eggs， accounting for 45.27% of the total spawning. The largest attracting amount was acquired in green light with 26.75 eggs， accounting for 40.38% of all the attracting amount of Bradysia odoriphaga. In field application， the numbers of insects caught were 700-800 in open field， 300-400 under shed， 100-200 in greenhouse， respectively. Therefore， the capture of live insects was achieved and the existing technology for capturing insects was improved. Thus， a foundation for studying relative relation of Bradysia odoriphaga at different regions was established.
