Instars Probitequations LC50 95% CL LC90 95% CL LC99 95% CL First Instar ** ** ** ** ** ** ** Second instar 2.234x – 0.7873 90.364 95.724-84.965 209.89 212.09-207.69 394.45 397.45-391.45 Third instar 2.9073x – 3.4476 18.653 183.657-183.65 304.789 308.199-301.37 685.84 691.861-683.82 Fourth instar 1.6101x+0.7604 1.174 1.753-0.595 5.011 6.615-3.407 51.286 53.522-49.05 ** 100% death larvae

Table 1: Probit equations and susceptibilities of Anopheles stephensi, against extracellular metabolites of Metarhizium anisopliae with 95% confidential limit (CL).