Paper VII Biological & Environmental Methods for the Control of Vectors

Unit I: Romanomermis sp:. life cycle, host susceptibility, biocontrol potential, mass production & application methods.

Insect predators - Toxorhynchytes sp. – Aquatic bugs/beetles – efficacy on mosquito control and methods of application.

Unit II:Larvivorous fish: Different types – characteristic features, biocontrol/predatory potential – operational use – Mass culture – technique on field release – Precautions.

Parasitoids: Important & useful parasitoids of vector insects, methods of mass production & application.

Unit III: Larvicidal bacilli: Bacillus thuringiensis, B. sphaericus.

Pupicidal bacilli: B. subtilis and Pseudomonas flourescens.

Unit IV: Fungal pathogens of mosquitoes: Coelomyces, Lagenidium, Beauveria & Metarhizium.

Production, formulation evaluation of bio control agents in the laboratory and field.

Unit V: Environmental modification and manipulation; equipments for environmental management; impact of environment management on the components of environment; planning, organization and evaluation of environment management measures; Personal protection measures.


  • Isolation and identification of bacterial pathogens

  • Testing of mosquito larvicidal and pupicidal activity

  • Slide show- mycopathogens

  • R. iyengari-demonstration

  • Identification of larvivorous fish

  • Handling of equipments for Environmental Management

  • Tools used for personal protection measures

Last Updated on:18/09/2019