Control of Culex quinquefasciatus (Diptera: Culicidae) by Bacillus sphaericus and B. thuringiensis subsp. israelensis , Produced on a New Potato Extract Culture Medium. - Poopathi, Subbiah; Kumar, K. Anup; Arunachalam, N.; Tyagi, B.K.; Sekar, Vaithilingam (Biocontrol Science & Technology, 2003)