Table 1.

Corrected % adult Ornithonyssus sylviarum mortality at 48 h as a function of acaricide concentrations in test packets

Acaricide	Trial date	Dose (ppm)	Control mortality (%)	Corrected mortality (%)
Fluralaner	3-Apr-15	0	11.90
		1		2.94
		2		34.98
		5		83.98
		10		100.00
		20		98.62
	20-Mar-15	0	5.60
		1		40.52
		2		41.04
		5		92.86
		10		100.00
		20		100.00
	8-Mar-15	0	12.10
		1		0.00a
		2		29.58
		5		81.04
		10		100.00
		20		100.00
	Trial Average	1		14.48
		2		35.20
		5		82.02
		10		100.00
		20		99.54
Spinosad	20-Feb-15	0	15.60
		200		0.00a
		400		0.00a
		1000		25.00
		2000		78.29
		4000		95.92
	27-Feb-15	0	18.60
		200		0.00a
		400		0.00a
		1000		20.83
		2000		83.88
		4000		100.00
	Trial Average	200		0.00
		400		0.00
		1000		22.92
		2000		81.09
		4000		97.96
Phoxim	20-Feb-15	0	15.60
		250		0.68
		500		83.10
		1000		96.05
		1500		100.00
	27-Feb-15	0	18.60
		250		6.88
		500		87.91
		1000		100.00
		1500		100.00
		2000		100.00
	Trial Average	250	3.78
		500		85.51
		1000		98.03
		1500		100.00
		2000		100.00
Propoxur	20-Feb-15	0	15.56
		31		0.00a
		63		44.70
		125		67.22
		250		100.00
		500		100.00
	27-Feb-15	0	18.60
		31		1.67
		63		42.64
		125		89.76
		250		100.00
		500		100.00
	Trial Average	31		0.84
		63		43.67
		125		78.49
		250		100.00
		500		100.00

Trials were conducted in spring 2015 and used for probit analysis. Control packets indicated by “0 ppm” dose

^aTreatments had less mortality than controls and are marked as no mortality