subcolony
noun
                                                                                                                            
                                                            sub·col·o·ny
                    
                                                                                                              
                                                                                                                                  ˌsəb-ˈkä-lə-nē 
                                                      
                                                          
            
            variants  
 or sub-colony
        
    
            
               plural subcolonies or sub-colonies            
        
    
                                
              
          
                                                      : a colony that is a subdivision of a larger colony                                      
              
                             
a breeding subcolony of penguins
                                       … the connections between mother cities and their colonies and among the colonies and subcolonies … all created a new kind of 'Greek' convergence in the ancient Mediterranean.—
Irad Malkin
                         
                
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  Merriam-Webster unabridged




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