Journal of Insect Science: Vol. 6 | Article 14 | Table 4

Table 4. LC₅₀ and LCR values for G₁ of field-collected populations of P. pyrusana in comparison to a susceptible laboratory population, 2000–01

					mg AI/liter
		P. pyrusana				LC₅₀ 95% FL			LCR 95% CL²
Chemical	Year	Colony	n	Slope ± SE	LC₅₀	lower - upper		LCR¹	lower - upper		Significance
Azinphosmethyl	2001	LAB	300	5.5±1.0	5.0	3.7 - 6.2		----
	2000	TF1	300	2.4±0.5	69.3	36.5 - 100.3		13.9	9.2 - 21.4		*³
	2001	SH	300	3.4±0.5	42.0	32.5 - 52.5		8.4	6.1 - 11.8		*
	2001	WV	240	2.3±0.5	88.9	56.2 - 123.1		17.8	11.6 - 27.6		*
	2000	CRO	300	2.3±0.4	124.4	89.3 - 172.7		24.9	17.4 - 36.2		*
	2000	QC	300	4.0±0.8	46.9	34.3 - 46.9		9.4	6.7 - 13.4		*
Methoxyfenozide	2001	LAB	300	2.6±0.4	1.0	0.8 - 1.3		----
	2001	SH	150	2.3±0.5	5.9	2.9 - 10.0		5.7	3.4 - 9.5		*
Spinosad	2001	LAB	300	1.7±0.3	0.37	0.3 - 0.6		----
	2001	TF1	150	3.0±0.8	0.43	0.4 - 0.6		1.2	0.6 - 2.3		ns
	2001	SH	300	2.5±0.4	0.70	0.7 - 1.0		1.9	1.1 - 3.4		*
	2001	WV	265	2.3±0.5	0.94	0.9 - 1.4		2.5	1.3 - 4.9		*
Indoxacarb	2001	LAB	300	3.6±0.7	0.38	0.4 - 0.5		----
	2001	TF1	300	3.0±0.6	0.36	0.4 - 0.5		1.0	0.5 - 1.4		ns
	2001	CRO	300	2.1±0.4	1.18	1.2 - 1.6		3.2	2.0 - 5.2		*
	2001	QC	300	2.6±0.6	0.30	0.3 - 0.4		0.8	0.5 - 1.3		ns