The word 'pollution' over a background of a smoking chimney.
University of Bristol
Wellcome Trust
Recommended by:
Society of Biology
PEEP for Physics & Ethics at GCSE
 

Pollution

Biological Pest Control – a better way to reduce pests.

What is a typical biological control programme?

Diagram showing how to implement a biological control program.

Text only version
 

What are the strategies involved in Biological control?
 

Principal

Example

Use a herbivore
to control weeds

Cactoblastis moth larvae to control prickly pear.
 About the moth
 Biological control of the moth

Use a carnivore
to control a
herbivorous pest

Ladybirds controlling aphids.

 About Ladybirds 
 Ladybirds as biological control agents

Use a parasite
to control its
host

Encarsaria (a wasp) controlling glasshouse whitefly.
 About the insect
 More images

Disrupt a breeding
cycle of a pest

 Release of sterilized males to control the screw worm parasite in cattle.

Control the behaviour of a pest

 Sex attractant pheromones to attract apple codling moths.


 Part 3

 

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