Lethal and sub-lethal effects of a novel sulfoximine insecticide, sulfoxaflor, against Asian citrus psyllid and its primary parasitoid under laboratory and field conditions

被引:13
作者
Brar, Gurpreet S. [1 ]
Martini, Xavier [1 ,2 ]
Stelinski, Lukasz L. [1 ]
机构
[1] Univ Florida, Citrus Res & Educ Ctr, Dept Entomol & Nematol, Lake Alfred, FL 33850 USA
[2] Univ Florida, Dept Entomol & Nematol, North Florida Res & Educ Ctr, Quincy, FL USA
关键词
Neonicotinoids; citrus greening disease; insecticide resistance; ecotoxicology; non-target insects; sub-lethal effects; DIAPHORINA-CITRI; BEMISIA-TABACI; NEONICOTINOID INSECTICIDES; HEMIPTERA PSYLLIDAE; TAMARIXIA-RADIATA; GREENING DISEASE; Q-BIOTYPE; RESISTANCE; POPULATIONS; VECTOR;
D O I
10.1080/09670874.2016.1258501
中图分类号
Q96 [昆虫学];
学科分类号
摘要
The Asian citrus psyllid, Diaphorina citri Kuwayama, is the most important international pest of citrus because it transmits the bacteria that cause huanglongbing (HLB). HLB limits citrus production globally. We evaluated the toxicity of sulfoxalor against D. citri and its parasitoid, Tamarixia radiata Waterston. Sulfoxaflor was as toxic as imidacloprid to adult D. citri. The LC50 values for sulfoxaflor and imidacloprid were 8.17 and 5.7 mu g AI mL(-1), respectively. The LC50 of sulfoxaflor for T. radiata adults was 3.3times greater than for D. citri adults. Treatment with sulfoxaflor resulted in reduced oviposition, development of nymphs, and emergence of adult D. citri on plants, as compared with controls. The lowest concentration that reduced adult emergence was 0.6 mu g AI mL(-1). There was reduced feeding by D. citri adults on leaves treated with sulfoxaflor. The residual toxicity of sulfoxaflor was equivalent to imidacloprid. Under field conditions, formulated sulfoxaflor reduced populations of D. citri compared with untreated controls. Sulfoxaflor is a novel mode of action and is an effective tool for D. citri management.
引用
收藏
页码:299 / 308
页数:10
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