Which of the following is used as a biocontrol agent against caterpillars of butterflies?

Trichoderma

Streptococcus

Bacillus Thuringiensis

Saccharomyces cerevisiae

Bacillus thuringiensis:

Microbial biocontrol agents were introduced to control butterfly caterpillars the bacterium Bacillus thuringiensis.

Bacillus thuringiensis is a gram-positive, soil-dwelling bacterium, the most commonly used biological pesticide worldwide.

Domain: Bacteria

Family: Bacillaceae

Order: Bacillales

Phylum: Bacillota