Field evaluation of control efficacy of ladybirds and imidacloprid on wheat aphi
ds.
Author of the article:GUO Jian-Ying1, WU Min2, WU Ji-Zhao1, WAN Fang-Hao1
Author's Workplace:1. Key_Laboratory of Biological control,Miristry of Agriculture, Institute of
Plant Protection, Chinese Academy of Agricultural Sciences,Beijing100094, C
hina; 2. College of Biological Sciences,Hebei University,Baoding071002, Ch
ina
Key Words:natural enemy insect; wheat aphid; ladybird; biolo
gical control
Abstract:With the treatment of methamidophos as control,the control efficiency
of imidacloprid and natural enemy ladybirds on wheat aphids were compared in He
bei Province.It showed that after the chemical spray,the control efficacy of 1
0% imidacloprid 10WP at a