Table 1.

Pyrethroid resistance allele frequency in regional populations of bed bugs

Collection site	Collection date	superscript No.a	superscript Stageb	Allele frequency (%)
				V419L	L925I
Camp Red Cloud, Uijeongbu	2009. 9. 9	5	A	0	100
Camp Walker, Daegu	2009. 9. 14	2	A	0	100
Yongsan Dragon Hill Hotel, Seoul	2010. 7. 2	5	3rd N	100	100
Camp Casey, Dongducheon	2011. 1. 27	5	A	100	100
Camp Walker, Daegu	2012. 10. 25	4	A	0	100
Camp Casey, Dongducheon	2013. 1. 23	1	A(F)	100	100
		2	A(M)	100	100
Osan Air Base, Osan	2013. 10. 18	1	A(F)	100	100
		1	A(M)	100	100
Camp Red Cloud, Uijeongbu	2014. 7. 25	1	A(F)	0	100
Osan Air Base, Osan	2014. 9. 19	1	A(F)	0	100
	2015. 1. 21	5	A(F)	100	100
		5	A(M)	100	100
Yongsan Garrison, Seoul	2016. 2. 10	3	A(F)	100	100
		3	A(M)	100	100
	2016. 11. 7	2	A(F)	100	100
	2017. 2. 8	2	A(M)	100	100
Camp Humphreys, Pyeongtaek	2018. 11. 7	5	A(F)	100	100
		5	A(M)	100	100
	2018. 11. 14	2	A(F)	100	100
		3	A(M)	100	100
	2019. 2. 19	5	A (F)	100	100
		3	A(M)	100	100
	2019. 2. 20	6	A(F)	100	100
		7	A(M)	100	100
	2019. 2. 25	4	A(F)	100	100
		6	A(M)	100	100
	2019. 3. 4	7	A(F)	100	100
		5	A(M)	100	100
Private residence, Mokpo	2019. 9	3	A(F)	100	100

^aIndividual numbers of bed bug used for QS.

^bDevelopmental stage of pooled bed bugs for QS. A, adults with sex unidentified; 3rd N, 3rd Nymph; A(F), female adult; A(M), male adult.