Table 3.

Aphicidal activity of compounds 1–12 against apterous adults of A. citricola at 0.04 μg/nymph.

Compound	Corrected Mortality Rate (Mean ± SE, %) a
	24 h	48 h
1	7.8 ± 1.1	25.0 ± 1.9 e b
2	6.7 ± 1.9	18.2 ± 1.9 f
3	8.9 ± 1.1	27.3 ± 3.0 e
4	16.7 ± 1.9	29.5 ± 2.2 de
5	15.6 ± 1.1	28.4 ± 1.9 de
6	35.6 ± 1.1	55.7 ± 1.9 b
7	15.6 ± 2.2	35.2 ± 3.4 cd
8	20.0 ± 1.9	29.5 ± 3.0 de
9	11.1 ± 1.1	35.2 ± 1.9 cd
10	16.7 ± 1.9	37.5 ± 3.0 c
11	14.4 ± 1.1	39.8 ± 1.1 c
12	30.0 ± 1.9	42.0 ± 1.9 c
methomyl c	50.0 ± 1.9	88.6 ± 1.1 a

^a Average of three replicates. ^b Multiple range tests using Duncan’s test (p < 0.05). The same letters denote treatments that are not significantly different from each other. ^c 0.004 μg/nymph.