family dytiscidae

English Thesaurus

1. water beetles (noun.animal)

hypernym	:	arthropod family,
definition	:	any of the arthropods (noun.animal)

member holonym	:	water beetle,
definition	:	any of numerous aquatic beetles usually having a smooth oval body and flattened hind legs for swimming (noun.animal)

member meronym	:	coleoptera, order coleoptera,
definition	:	beetles (noun.animal)