Table-4.

Mosquitocidal and molluscicidal calculated LC₅₀ and LC₉₀.

Exposed stages	LC50 (ppm)	LC90 (ppm)	LC100 (ppm)
C. pipiens larvae	350/24 h 280/48 h 200/36 h	1400/24 h 770/48 h 500/36 h	1200/48 h 1000/36 h
C. pipiens pupae	680/6 h 580/12 h	1300/24 h 980/48 h	1200/48 h
B. alexandrina snails	590/6 h 570/12 h 479/24 h 370/48 h	980/48 h	1200/48 h 1000/36 h
Snail fresh eggs	1400/24 h 800/48 h	1890/48 h	2000/48 h
Snails embryonated eggs	1450/12 h 1000/24 h 480/48 h	1250/48 h	1340/48 h
Copper sulfate	15 ppm		30 ppm
Temephos	0.02 mg/L		0.04 mg/L

C. pipiens=Culex pipiens, B. alexandrina=Biomphalaria alexandrina, LC=Lethal concentration