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. 2009 Oct 27;16(2):95–100. doi: 10.1016/j.sjbs.2009.10.007

Table 1.

Larvicidal activity of leaves extract of C. procera against 2nd, 3rd and 4th instar larvae of An. arabiensis and Cx. quinquefasciatus.

Mosquito species Larval instar LC50 (ppm) LC90 (ppm) Regression equation FL with 95%CL r2
An. arabiensis 2nd 273.53 783.43 Y = 2.799X − 1.820 ±2.675 0.997
3rd 366.44 1018.59 Y = 2.883X − 2.393 ±2.335 0.993
4th 454.99 1224.62 Y = 2.977X − 2.913 ±2.400 0.970



Cx. quinquefasciatus 2nd 187.93 433.51 Y = 3.528X − 3.024 ±2.372 0.973
3rd 218.27 538.27 Y = 3.261X − 2.626 ±2.675 0.984
4th 264.85 769.13 Y = 2.77X − 1.713 ±2.675 0.996

FL with 95%CL = fiducial limit with 95% confidence limit.

(r2) = regression coefficient.