Table 2.

Adult emergence inhibition for 50% (EI₅₀) and 95% (EI₉₅) of individuals and BAR to diflubenzuron, estimated for Aedes aegypti populations from Pernambuco, Brazil

Population	Number of larvae	EI50 (mg/liter) (50% CI)	EI95 (mg/liter) (95% CI)	Biological activity ratio (BAR95)
Rockefeller	2,000	0.456 (0.351–0.549)	1.560 (1.400–2.047)	1.00
Fernando de Noronha	480	1.212 (1.102–1.329)	2.640 (2.386–2.991)	1.69
Recife	1,600	1.612 (1.465–1.787)	3.687 (3.212–4.435)	2.37
Itaíba	1,520	1.511 (1.346–1.684)	3.399 (3.001–4.014)	2.18
Caruaru	1,200	3.761 (3.243–4.410)	7.293 (6.278–9.098)	4.67
Cedro	1,360	1.171 (0.981–1.538)	4.224 (3.376–6.138)	2.70
Salgueiro	1,600	0.605 (0.306–0.778)	2.094 (1.791–2.747)	1.34
Serra Talhada	1,440	2.839 (2.579–3.126)	7.013 (6.088–8.467)	4.49
Petrolina	1,520	1.746 (1.495–2.007)	4.845 (4.255–5.733)	3.10

BAR₉₅ = EI₉₅ population/EI₉₅ Rockefeller.