AMELETUS LUDENS
ACENTRELLA TURBIDA
ACERPENNA
BAETIS FLAVISTRIGA
BAETIS INTERCALARIS
BAETIS RUSTICANS
BAETIS TRICAUDATUS
CALLIBAETIS
CENTROPTILUM
CLOEON
HETEROCLOEON CURIOSUM
PSEUDOCLOEON FRONDALE
BRACHYCERCUS
CAENIS HORARRIA GROUP
CAENIS PSEUDORIVULORUM GRP
ATTENELLA ATTENUATA
DRUNELLA CORNUTA
DRUNELLA CORNUTELLA
DRUNELLA LATA
DRUNELLA WALKERI
EPHEMERELLA CATAWBA
EPHEMERELLA DOROTHEA
EPHEMERELLA INVARIA
EPHEMERELLA NEEDHAMI
EPHEMERELLA ROTUNDA
EPHEMERELLA SUBVARIA
EURYLOPHELLA AESTIVA
EURYLOPHELLA BICOLOR
EURYLOPHELLA LUTULENTA
EURYLOPHELLA TEMPORALIS
SERRATELLA DEFICIENS
SERRATELLA SERRATA
SERRATELLA SERRATOIDES
TIMPANOGA SIMPLEX
EPHEMERA SIMULANS
EPHEMERA VARIA
HEXAGENIA BILINEATA
HEXAGENIA LIMBATA
EPEORUS
HEPTAGENIA PULLA
IRONODES
LEUCROCUTA MACULIPENNIS
RHITHROGENA
STENACRON CAROLINA
STENACRON INTERPUNCTATUM
STENACRON MINNETONKA
STENONEMA (Ipswich River)
STENONEMA FEMORATUM
STENONEMA ITHACA
STENONEMA MEDIOPUNCTATUM MEDIOPUNCTATUM
STENONEMA MODESTUM
STENONEMA PUDICUM
STENONEMA PULCHELLUM
STENONEMA SMITHAE
STENONEMA VICARIUM
ISONYCHIA harperi (Ipswich River)
TRICORYTHODES
CHOROTERPES
HABROPHLEBIA VIBRANS
HABROPHLEBIODES AMERICANA
LEPTOPHLEBIA
PARALEPTOPHLEBIA (Ipswich River)
PARALEPTOPHLEBIA MOERENS
ANTHOPOTAMUS
PARAMELETUS
SIPHLONURUS ALTERNATUS
SIPHLONURUS QUEBECENSIS