Assessment of Angelica sinensis (Oliv.) Diels as a repellent for personal protection against mosquitoes under laboratory and field conditions in northern Thailand

Table 4 Number of mosquitoes and mosquito collecting rates (Mean ± standard error, SE) captured from human volunteers during field repellent bioassays at Sunpesua subdistrict, Muang District, Chiang Mai Province, northern Thailand

Collecting site (CS): Time	Treatment	No. of mosquitoes collected	Mosquito collecting rate (Mean ± SE)*
CS 1: 18:00–18:20 h	Control	56	2.0 ± 3.5 a
	25 % AHEv	0	0 b
	25 % DEETv	0	0 b
CS 2: 18:22–18:42 h	Control	588	21.0 ± 17.8 a
	25 % AHEv	0	0 b
	25 % DEETv	0	0 b
CS 3: 18:44–19:04 h	Control	787	28.1 ± 22.4 a
	25 % AHEv	0	0 b
	25 % DEETv	0	0 b
CS 4: 19:06–19:26 h	Control	1,058	37.8 ± 20.8 a
	25 % AHEv	0	0 b
	25 % DEETv	0	0 b
CS 5: 19:28–19:48 h	Control	672	24.0 ± 8.5 a
	25 % AHEv	0	0 b
	25 % DEETv	0	0 b
CS 6: 19:50–20:10 h	Control	667	23.8 ± 9.6 a
	25 % AHEv	0	0 b
	25 % DEETv	0	0 b
CS 7: 20:12–20:32 h	Control	641	22.9 ± 10.1 a
	25 % AHEv	0	0 b
	25 % DEETv	0	0 b
CS 8: 20:34–20:54 h	Control	650	23.2 ± 13.4 a
	25 % AHEv	0	0 b
	25 % DEETv	0	0 b
CS 9: 20:56–21:16 h	Control	599	21.4 ± 10.8 a
	25 % AHEv	0	0 b
	25 % DEETv	0	0 b
Total	Control	5,718	204.2 ± 73.2 a
	25 % AHEv	0	0 b
	25 % DEETv	0	0 b

*Mean in each collecting site followed by different letters is significantly different (P < 0.05)

ISSN: 1756-3305