Table 1.

Viability (mean % living IJs ± SE) of S. brazilense IBCBn 06, S. carpocapsae IBCBn 02, H. amazonensis IBCBn 24, and H. bacteriophora HB after 48 h of exposure to insecticides.

Treatment	S. brazilense  a	S. carpocapsae  a	H. amazonensis  a	H. bacteriophora a
EPN only Control	100.00 ± 0.00 aA	100.00 ± 0.00 aA	100.00 ± 0.00 aA	100.00 ± 0.00 aA
Deltametrin	93.99 ± 0.55 aB	44.90 ± 0.68 bC	93.10 ± 0.46 aB	97.34 ± 0.67 aA
Lambda-cyalothrin	87.84 ± 0.75 bC	59.84 ± 1.46 bD	94.20 ± 1.65 aA	90.60 ± 2.40 aB
Malathion	96.69 ± 0.32 aA	45.92 ± 2.77 bC	90.72 ± 2.56 aB	87.36 ± 1.19 bB
Phosmet	94.36 ± 1.06 aA	84.20 ± 1.35 aB	97.64 ± 1.26 aA	94.92 ± 0.87 aA
Azadirachtin	95.30 ± 1.28 aA	46.74 ± 8.86 bC	98.89 ± 0.23 aA	91.69 ± 0.66 aB
Thiamethoxam	97.34 ± 0.63 aA	92.00 ± 1.09 aB	93.48 ± 0.85 aB	97.04 ± 0.31 aA
Acetamiprid	96.84 ± 0.67 aAB	86.83 ± 0.88 aC	97.46 ± 0.69 aA	94.27 ± 0.37 aB
Spinetoram	96.69 ± 0.48 aA	64.48 ± 0.96 bB	98.24 ± 0.39 aA	96.18 ± 1.35 aA
Abamectin	95.71 ± 0.48 aA	22.70 ± 0.53 cD	84.50 ± 0.54 bC	88.29 ± 0.58 bB
Novaluron	96.24 ± 0.39 aA	88.00 ± 2.64 aB	97.76 ± 0.34 aA	95.26 ± 0.40 aA
F	32.24	67.71	17.48	30.21
d.f	10, 44	10, 44	10, 44	10, 44
p	<0.0001	<0.0001	<0.0001	<0.0001

^a Means followed by different lowercase letters in the same column and uppercase letters in the same row indicate significant differences between insecticides for a given nematod, and between nematode for a given insecticide, respectively (Tukey HSD test, p < 0.05).