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	Parasite Diagnostic Key Dog Lice  | 	
	 
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| Lice Anatomy & Terms | |
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		1.Canine Lice with head wider than thorax and chewing mouth parts 
		          
		          
		          
		      
		.................................................. Trichodectes canis  | 
     
	 
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		NC State College of Veterinary Medicine 1060 William Moore Drive Raleigh, NC 27607  |