Fig. 1

The location of collection sites of adult Anopheles sinensis specimens and distribution of kdr allele. 1: YL (Yunlong); 2: XN (Xiaonian); 3: SZ (Shazhuang); 4: DT (Dangtu); 5: DY (Danyang); 6: BN (Benniu); 7: CS (Changshu); 8: FC (Fanchang); 9: CZ (Chizhou); 10: WH (Wanghe); 11: PZ (Panzheng). In the colour circles, different colour indicated different substitutions in percentage