Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Suborder Pisciforma


ephemeropteran - Ameletus ludens Ameletus Ameletus lineatus Ameletus sp. #3 - voucher specimens, in alcohol - Ameletus Ameletus sp. #2 - voucher specimen, in alcohol - Ameletus Ameletus sp. - Ameletus What Species is this? (Binomial name please) - Ameletus ludens Ameletus lineatus

Ametropus ammophilus

Heterocloeon amplum - female Heterocloeon amplum Small Mayfly - Callibaetis - male mayfly 3 - Callibaetis Diphetor hageni ? - Diphetor hageni Acentrella ? - Acentrella feropagus Small Minnow Mayfly (hageni ssp.) - Callibaetis ferrugineus - female Mayfly  - Callibaetis ferrugineus

Mayfly - Siphloplecton basale Mayfly - Siphloplecton basale Mayfly - Siphloplecton Siphloplecton basale - male Siphloplecton - female cleftfooted minnow mayfly - Siphloplecton basale - male cleftfooted minnow mayfly - Siphloplecton basale - male Metretopus ? - Metretopus borealis

Mayfly ID - Siphlonurus alternatus Mayfly  - Siphlonurus - male Mayfly  - Siphlonurus Ephemeroptera - Siphlonurus Ephemeroptera - Siphlonurus Ephemeroptera, found on snowpack - Siphlonurus Ephemeroptera, found in vegetation in a kettle pond - Siphlonurus Mayfly, attracted to UV light - Siphlonurus