Table 1.

LD₅₀ values of mimosine derivatives against termites by topical application.

Compound	LD50 (μg/insect) i
Mimosinol	1.2 ± 0.2 de
1a	0.5 ± 0.1 fg
1b	0.7 ± 0.1 ef
1c	0.8 ± 0.1 ef
d-mimosinol	1.8 ± 0.3 d
2a	1.2 ± 0.2 de
2b	2.1 ± 0.4 c
2c	3.1 ± 0.5 b
Mimosine	54.1 ± 5.9 a
Rotenone	0.8 ± 0.2 ef
Fenitrothion	0.025 ± 0.0 g

ⁱ Different letters in the same column indicate the existence of significant difference statistically. Data have statistical significance at p ≤ 0.01. The results are means ± SE of four replications for each treatment.