belostomatidae

English Thesaurus

1. water bugs (noun.animal)

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

member holonym	:	giant water bug,
definition	:	large water bug with piercing and sucking mouthparts; feeds on young fishes (noun.animal)

member meronym	:	heteroptera, suborder heteroptera,
definition	:	true bugs (noun.animal)