704 bytes added ,  16:41, 28 October 2008
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''In order to advise owners of adequate treatments to control fleas on their animals, the life cycle of the flea must be understood''
 
''In order to advise owners of adequate treatments to control fleas on their animals, the life cycle of the flea must be understood''
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*The time for the egg to develop into the adult flea takes 3-4 weeks in summer
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*The life cycle can be faster or slower depending on temperature
    
'''1. The adult'''
 
'''1. The adult'''
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*Silken cocoon surrounds pupae  
 
*Silken cocoon surrounds pupae  
 
**Slightly sticky so small particles adhere to it
 
**Slightly sticky so small particles adhere to it
**Camoflages with the environment
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**Camoflaged in the environment
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*Methoprene the juvenile development hormone coordinates the growth of the immature stages
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**Activates genetic switches
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**Determines the sequence of tissue and organ development
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*Newly emerged adults do not leave the cocoon straight away
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**The '''pupal window''' is the time that it takes for the adult to emerge
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**Temperature determines when the adult fleas emerge
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**Some fleas may wait several months before emerging
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*Newly emerged unfed adults can survive days without feeding but once they have fed, if they fall of the host they can only survive hours
    
==Habitats==
 
==Habitats==
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