ephemeridae

English Thesaurus

1. mayflies (noun.animal)

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

member holonym	:	dayfly, mayfly, shadfly,
definition	:	slender insect with delicate membranous wings having an aquatic larval stage and terrestrial adult stage usually lasting less than two days (noun.animal)

member meronym	:	ephemerida, ephemeroptera, order ephemerida, order ephemeroptera,
definition	:	mayflies (noun.animal)