Fig. 5From: Ultrastructural alterations in the midgut of Bacillus sphaericus-treated Culex pipiens (Diptera: Culicidae) larvaeMidgut ultrastructure of Bacillus sphaericus-treated Culex pipiens third larval instar 14 h post-treatment showing a B. sphaericus spores and b damaged microvilliBack to article page