Table 1. Salinity tolerance of Aedes aegypti and Aedes albopictus larvae in the laboratory.

Location	Species	Larval stage	Maximum salinity tolerated for 100% survival to adulthood in ppt	LC50 ppt (CI)
Thirunelvely	Ae. aegypti	1st	10	11.9 (nd)
	Ae. aegypti	3rd	12	15.5 (14.6,16.4)
	Ae. albopictus	1st	10	13.0 (12.3,13.7)
	Ae. albopictus	3rd	12	16.0 (15.0,17.0)
Batticaloa	Ae. aegypti	1st	4	9.8 (8.9,10.6)
	Ae. aegypti	3rd	8	12.6 (11.7,13.4)
	Ae. albopictus	1st	4	10.2 (9.4,11.1)
	Ae. albopictus	3rd	6	12.9 (12.1,13.8)

CI – 95% confidence interval; nd – could not be determined.