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BACKGROUNDThe grain aphid, Sitobion avenae Fabricius (Hemiptera: Aphididae), is an important pest of cereal crops. Pesticides are the main method for control but carry the risk of selecting for resistance. In response to reports of reduced efficacy of pyrethroid sprays applied to S. avenae, field samples were collected and screened for mutations in the voltage‐gated sodium channel, the primary target site for pyrethroids. Aphid mobility and mortality to lambda‐cyhalothrin were measured in coated glass vial bioassays....
BACKGROUND: Myzus persicae is a globally important aphid pest that is mainly controlled through the application of chemical insecticides. Recently, a clone of M. persicae exhibiting control‐compromising levels of resistance to neonicotinoid insecticides was described. The resistance of this clone was associated with reduced affinity of imidacloprid for the target site (the nicotinic acetylcholine...
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